ccrt javapgm

8/2/2019 ccrt javapgm

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Program 1

Aim : Program To Generation of Next Date

Program :

import java.io.*;class Nextdate{

public static void main(String args[])throws IOException{

int dd,mm,yyy;int nd=0,nm=0,ny=0;DataInputStream o=new DataInputStream(System.in);

System.out.println("Current Date is.......");dd=Integer.parseInt(o.readLine());System.out.println("Current Month is........");mm=Integer.parseInt(o.readLine());System.out.println("Current Year is........");yyy=Integer.parseInt(o.readLine());if(mm==12){

if(dd==31){

nd=1;

nm=1;ny=yyy+1;}

}else if(dd==28){

if(mm==2){

if((yyy%4==0) || (yyy%100==0)){

nd=dd+1;

nm=mm;ny=yyy;

}else{

nd=1;nm=mm+1;

M.Sc Computer ScienceAssumption College, Changanacherry.


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ny=yyy;}

}}

else if(dd==29){if(mm==2){

nd=1;nm=mm+1;ny=yyy;

}}else if(dd==30){

if( mm==1 || mm==3 || mm==5 || mm==7 ||mm==8 || mm==10)

{nd=dd+1;nm=mm;ny=yyy;

}else{

nd=1;nm=mm+1;

ny=yyy;}

}else if(dd==31){

nd=1;nm=mm+1;ny=yyy;

}else{

nd=dd+1;nm=mm;ny=yyy;

}



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System.out.println("Next Date is........");System.out.println(nd+"/"+nm+"/"+ny);

}}



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Output :

Current Date is.......4

Current Month is........11Current Year is........2011Next Date is........5/11/2011



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Program 2

Aim : Program To Sum Of Diagonal Elements Of A Square Matrix.

Program :

import java.io.*;import java.lang.*;class Diasum{


int i,j,m,s=0;int a[][]=new int[3][3];

BufferedReader in=new BufferedReader(newInputStreamReader(System.in));System.out.println("Enter the order of matrix");m=Integer.parseInt(in.readLine());System.out.println("Enter the matrix elements");for(i=0;i


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s=s+a[i][j];}

}}

System.out.println("The sum of the diagonal elemnts is "+s);}}



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Output :

Enter the order of matrix3

Enter the matrix elements

963

852

741The matrix is

9 6 3

8 5 2

7 4 1

The sum of the diagonal elemnts is 15



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Program 3

Aim : Program to Book Shop.

Program :

import java.io.*;class Book{

String author;String title;String publisher;int price;int stock;Book(String t,String at,int p,String pb, int stck){

title=t;author=at;price=p;publisher=pb;stock=stck;

}void display(){

System.out.println("Book Title:"+title);System.out.println("Author:"+author);

System.out.println("Book Price:"+price);System.out.println("Book Publisher:"+publisher);System.out.println("No.of copies:"+stock);

}int order(int noc){

int f=0;if(noc


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else{

System.out.println("Required no. of copies not in stock");f=0;

}

return f;}void update(int p){

price=p;System.out.println("New price updated");

}}class Bookshop{

public static void main(String arg[]) throws IOException

{int scount=0,fcount=0;int op=0;Book b[]=new Book[10];int ch,n,f=0;DataInputStream d=new DataInputStream(System.in);System.out.println("Add new book details");System.out.println("Enter the no. of books");n=Integer.parseInt(d.readLine());for(int i=0;i


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System.out.println("2.Update Price");System.out.println("3.Transaction Details");System.out.println("Enter your choice");ch=Integer.parseInt(d.readLine());switch(ch)

{ case 1:System.out.println("Enter the title and author of

the book:");String titl=d.readLine();String auth=d.readLine();for(int i=0;i


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if(b[i].title.compareTo(til)==0){

b[i].update(pr);b[i].display();

}

}break;case 3:System.out.println("No.of successful transactions:");System.out.println(scount);System.out.println("No.of unsuccessful transactions:");System.out.println(fcount);break;default:System.out.println("Wrong choice !");break;

}System.out.println("Do you want to continue (1/0)?");op=Integer.parseInt(d.readLine());

}while(op==1);

}}



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Output :

Add new book detailsEnter the no. of books2

Enter the book title:JavaEnter the author:BalaguruswamyEnter the price:350Enter the publisher:McGrawEnter the no.of copies:2Enter the book title:

Computer FundamentalEnter the author:SahniEnter the price:450Enter the publisher:Universities PressEnter the no.of copies:3Bookshop Menu----------------

1.Order of Books2.Update Price3.Transaction DetailsEnter your choice1Enter the title and author of the book:JavaBalaguruswamy***BOOK DETAILS***Book Title:JavaAuthor:BalaguruswamyBook Price:350Book Publisher:McGrawNo.of copies:2Enter the no.of copies required2



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Total cost of Book:700Order is successfully placedDo you want to continue (1/0)?1Bookshop Menu

----------------1.Order of Books2.Update Price3.Transaction DetailsEnter your choice2Enter the book titleComputer FundamentalEnter the new book price:500New price updated

Book Title:Computer FundamentalAuthor:SahniBook Price:500Book Publisher:Universities PressNo.of copies:3Do you want to continue (1/0)?1Bookshop Menu----------------1.Order of Books2.Update Price

3.Transaction DetailsEnter your choice3No.of successful transactions:1No.of unsuccessful transactions:0Do you want to continue (1/0)?1Bookshop Menu----------------

1.Order of Books2.Update Price3.Transaction DetailsEnter your choice1



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Enter the title and author of the book:Java

Balaguruswamy***BOOK DETAILS***

Book Title:JavaAuthor:BalaguruswamyBook Price:350Book Publisher:McGrawNo.of copies:0Enter the no.of copies requiredDo you want to continue (1/0)?0



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Program 4

Aim : Program to Sorting of Strings.

Program :

import java.io.*;import java.lang.*;class Sortnames{


BufferedReader in= new BufferedReader(newInputStreamReader(System.in));

int n,i,j;

String temp;String x[]= new String[10];System.out.println("Enter the limit");n=Integer.parseInt(in.readLine());System.out.println("Enter the Names");for(i=0;i


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Output :

Enter the limit5Enter the elements

RAMANNAGEETHABALUROYThe names after the sorting isANNA

BALU

GEETHA

RAM

ROY



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Program 5

Aim : Program to String Palindrome Using Command LineArgument.

Program :

import java.io.*;import java.lang.*;class Comndpali{

public static void main(String args[]){

char ch,ch1;boolean flag=true;

int l,i,j;String p =args[0];l=p.length();for( j=0,i=l-1 ;j


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Output :

H:\crt>java Comndpali COMPUTERNot Palindrome

H:\crt>java Comndpali POPPalindrome



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Program 6

Aim : Program To Simple Interest Using Constructor Overloading.

Program :import java.io.*;class Deposit{

int p,n;float r;Deposit(){}Deposit(int pr,int nu,float ra)

{ p=pr;n=nu;r=ra;

}Deposit(int pr,float ra){

p=pr;r=ra;n=5;

}

Deposit(int nu,int pr){n=nu;p=pr;r=10;

}public void interest(){

float si=p*n*r/100;float a=si+p;System.out.println("SIMPLE INTEREST :\t" +si);

System.out.println("AMOUNT :\t" +a);}

}



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class Simpleinterest{

public static void main(String arg[]) throws IOException{

int p,n;

float r;DataInputStream d= new DataInputStream(System.in);Deposit d1=new Deposit();System.out.println("Enter the principle amount");p=Integer.parseInt(d.readLine());System.out.println("Enter the no: of years");n=Integer.parseInt(d.readLine());System.out.println("Enter the rate");r=Float.parseFloat(d.readLine());Deposit d2=new Deposit(p,n,r);d2.interest();

System.out.println();System.out.println("SIMPLE INTEREST AFTER 5YRS");System.out.println("Enter the principle amount");p=Integer.parseInt(d.readLine());System.out.println("Enter the rate");r=Float.parseFloat(d.readLine());Deposit d3=new Deposit(p,r);d3.interest();System.out.println();System.out.println("SIMPLE INTEREST WITH RATE 10%");System.out.println("Enter the principle amount");

p=Integer.parseInt(d.readLine());System.out.println("Enter the no: of years");n=Integer.parseInt(d.readLine());Deposit d4=new Deposit(n,p);d4.interest();

}}



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Output :

Enter the principle amount25000Enter the no: of years

5Enter the rate10SIMPLE INTEREST : 12500.0AMOUNT : 37500.0

SIMPLE INTEREST AFTER 5YRSEnter the principle amount5600Enter the rate12

SIMPLE INTEREST : 3360.0AMOUNT : 8960.0

SIMPLE INTEREST WITH RATE 10%Enter the principle amount5000Enter the no: of years4SIMPLE INTEREST : 2000.0AMOUNT : 7000.0



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Program 7

Aim : Program To Publication.

Program :import java.io.*;import java.lang.*;class Publication{

String title;float price;public void getdata(String t,float p){

title=t;

price=p;}public void putdata(){

System.out.println("TITLE :\t" +title);System.out.println("PRICE :\t" +price);

}}class Books extends Publication{

int pagecnt;

public void getd(String t,float p,int pg){

getdata(t,p);pagecnt=pg;

}public void putd(){

putdata();System.out.println("PAGE COUNT :\t" +pagecnt);

}}

class Tape extends Publication{

float playtime;public void getd(String t,float p,float pt)

{



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getdata(t,p);playtime=pt;

}public void putd(){

putdata();System.out.println("PLAY TIME :\t" +playtime);}

}class Publicationdemo{

public static void main(String arg[]) throws IOException{

BufferedReader br=new BufferedReader(newInputStreamReader(System.in));

String ta;

float p,pl;int pa,n,i,m;Books b[]=new Books[10];Tape t[]=new Tape[10];System.out.println("Enter the number of books");n=Integer.parseInt(br.readLine());System.out.println("ENTER BOOK DETAILS");for(i=0;i


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System.out.println("Enter the title of "+(i+1)+"th"+" tape");ta=br.readLine();System.out.println("Enter the price of "+(i+1)+"th"+"

tape");p=Float.parseFloat(br.readLine());

System.out.println("Enter the play time of "+(i+1)+"th"+" tape");pl=Float.parseFloat(br.readLine());t[i].getd(ta,p,pl);

}System.out.println("DETAILS OF BOOKS");for(i=0;i


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Output

Enter the number of books1

ENTER BOOK DETAILSEnter the title of 1th bookJavaEnter the price of 1th book525Enter the pagecount of 1th book1250

Enter the number of tapes2ENTER TAPE DETAILS

Enter the title of 1th tapeNew Malayalam SongsEnter the price of 1th tape125.95Enter the play time of 1th tape56.30Enter the title of 2th tapeEnglish RapEnter the price of 2th tape99.99Enter the play time of 2th tape

10.10DETAILS OF BOOKSTITLE : JavaPRICE : 525.0PAGE COUNT : 1250DETAILS OF TAPESTITLE : New Malayalam SongsPRICE : 125.95PLAY TIME : 56.3TITLE : English RapPRICE : 99.99PLAY TIME : 10.1



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Program 8

Aim : Program To Employee Database Using Abstract Class

Program :

import java.io.*;import java.lang.*;abstract class Employee{

int id;String name;Employee(int i,String c){

id=i;name=c;

}abstract void display();

}

class Teaching extends Employee{

String dept1;double salary;Teaching(int i,String c,String dept,double sal){

super(i,c);dept1=dept;salary=sal;

}void display(){

System.out.println("Id : "+id);System.out.println("Name : "+name);System.out.println("Department : "+dept1);System.out.println("Salary : "+salary);

}

}

class NonTeaching extends Employee{

double salary1;NonTeaching(int i,String c,double sal1)



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{super(i,c);salary1=sal1;

}void display()

{ System.out.println("Id : "+id);System.out.println("Name : "+name);System.out.println("Salary : "+salary1);

}}class Professor extends Teaching{

Professor(int i,String c,String dept,double sal){

super(i,c,dept,sal);

}void display(){

System.out.println("Id : "+id);System.out.println("Name : "+name);System.out.println("Department : "+dept1);System.out.println("Salary : "+salary);

}}class Lecture extends Teaching{

String grade;Lecture(int i,String c,String dept,double sal,String g){

super(i,c,dept,sal);grade=g;

}

void display(){

System.out.println("Id : "+id);System.out.println("Name : "+name);

System.out.println("Department : "+dept1);System.out.println("Salary : "+salary);System.out.println("Grade : "+grade);

}}



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class Clerical extends NonTeaching{

String grade1;Clerical(int i,String c,double sal1,String g1)

{ super(i,c,sal1);grade1=g1;

}void display(){

System.out.println("Id : "+id);System.out.println("Name : "+name);System.out.println("Salary : "+salary1);System.out.println("Grade : "+grade1);

}

}class Administrator extends NonTeaching{

Administrator(int i,String c,double sal1){

super(i,c,sal1);}void display(){

System.out.println("Id : "+id);System.out.println("Name : "+name);

System.out.println("Salary : "+salary1);}

}class Employeedet{


BufferedReader br=new BufferedReader(newInputStreamReader(System.in));

Employee e;

int i;String c;String dept;double sal;double sal1;String g;String g1;



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System.out.println("Enter The Teacher Details");System.out.println("Id of Teacher is");i=Integer.parseInt(br.readLine());System.out.println("Name of the Teacher");c=br.readLine();

System.out.println("Department of Teacher");dept=br.readLine();System.out.println("Salary of a Teacher");sal=Integer.parseInt(br.readLine());Teaching t=new Teaching(i,c,dept,sal);System.out.println("Enter The NonTeaching details");System.out.println("Id of nonTeacher is");i=Integer.parseInt(br.readLine());System.out.println("Name of non Teacher");c=br.readLine();System.out.println("Salary of non Teacher");

sal1=Integer.parseInt(br.readLine());NonTeaching nt=new NonTeaching(i,c,sal1);System.out.println("Enter The Professor Details");System.out.println("Id of Professor is");i=Integer.parseInt(br.readLine());System.out.println("Name of the Professor");c=br.readLine();System.out.println("Department of Professor");dept=br.readLine();System.out.println("Salary of a Professor");sal=Integer.parseInt(br.readLine());

Professor p=new Professor(i,c,dept,sal);System.out.println("Enter The Lecture Details");System.out.println("Id of Lecture is");i=Integer.parseInt(br.readLine());System.out.println("Name of the Lecture");c=br.readLine();System.out.println("Department of Lecture");dept=br.readLine();System.out.println("Salary of a Lecture");sal=Integer.parseInt(br.readLine());System.out.println("Grade of Lecture");

g=br.readLine();Lecture l=new Lecture(i,c,dept,sal,g);System.out.println("Enter The Clerical details");System.out.println("Id of Clerk is");i=Integer.parseInt(br.readLine());System.out.println("Name of the Clerk");



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c=br.readLine();System.out.println("Department of Clerk");dept=br.readLine();System.out.println("Salary of a Clerk");sal=Integer.parseInt(br.readLine());

System.out.println("Grade of Clerk");g1=br.readLine();Clerical cl=new Clerical(i,c,sal1,g1);System.out.println("Enter The Administrator Details");System.out.println("Id of Administrator is");i=Integer.parseInt(br.readLine());System.out.println("Name of the Administrator");c=br.readLine();System.out.println("Salary of a Clerk");sal=Integer.parseInt(br.readLine());Administrator a=new Administrator(i,c,sal1);

System.out.println("Teacher Details");t.display();System.out.println("NonTeaching details");nt.display();System.out.println("Professor Details");p.display();System.out.println("Lecture Details");l.display();System.out.println("Clerical details");cl.display();System.out.println("Administrator Details");

a.display();}

}



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Output :

Enter The Teacher DetailId of Teacher is55

Name of the TeacherAnnaDepartment of TeacherComputer ScienceSalary of a Teacher15000Enter The NonTeaching deId of nonTeacher is77Name of non TeacherBabu

Salary of non Teacher10000Enter The Professor DetaId of Professor is40Name of the ProfessorGopalDepartment of ProfessorBiologySalary of a Professor25000

Enter The Lecture DetailId of Lecture is10Name of the LectureGeethaDepartment of LectureMathsSalary of a Lecture18000Grade of LectureA

Enter The Clerical detaiId of Clerk is101Name of the ClerkLeela

Department of Clerk



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MathsSalary of a Clerk14000Grade of ClerkC

Enter The AdministratorId of Administrator is401Name of the AdministratoRajuSalary of a Clerk20000Teacher DetailsId : 55Name : AnnaDepartment : Computer Sc

Salary : 15000.0NonTeaching detailsId : 77Name : BabuSalary : 10000.0Professor DetailsId : 40Name : GopalDepartment : BiologySalary : 25000.0Lecture Details

Id : 10Name : GeethaDepartment : MathsSalary : 18000.0Grade : AClerical detailsId : 101Name : LeelaSalary : 10000.0Grade : CAdministrator Details

Id : 401Name : RajuSalary : 10000.0



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Program 9

Aim : Program To Result Preparation.

Program :import java.io.*;interface Sports{

final int smark=10;public void putwt();

}class Student{

String name;

int rollno;void getno(String a, int b){

name=a;rollno=b;

}void putno(){

System.out.println("Roll number is " +rollno);System.out.println("Name of the student is " +name);

}

}class Test extends Student{

int m1,m2;void getmark(int x,int y){

m1=x;m2=y;

}void putmark(){

System.out.println("Mark of Subject1 " +m1);System.out.println("Mark of Subject2 " +m2);

}}



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class Result extends Test implements Sports{

double res;public void putwt(){

System.out.println("Weightage mark for sports " +smark);}void display(){

putno();putmark();putwt();res=m1+m2+smark;System.out.println("Total mark of Student " +res);

}}

class StudentInter{


int l,s1,s2,i;Result r[]=new Result[10];BufferedReader br=new BufferedReader(new

InputStreamReader(System.in));System.out.println("Enter the number of students...");l=Integer.parseInt(br.readLine());for(i=1;i


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for(i=1;i


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Output

Enter the number of students...2Enter the name...

AnnaEnter the rollno....12Enter the two subject's marks of a student.8799Enter the name...AppuEnter the rollno....20Enter the two subject's marks of a student.

8990DETAILS OF STUDENTRoll number is 12Name of the student isAnnaMark of Subject187Mark of Subject299Weightage mark for sports 10Total mark of Student 196.0Roll number is 20Name of the student isAppu

Mark of Subject189Mark of Subject290Weightage mark for sports 10Total mark of Student 189.0



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Program 10

Aim : Program To Implementing Interface

Program :import java.io.*;interface Quad{

void area();void volume();

}class Rectangle implements Quad{

int l,b,h;

Rectangle(int length,int breadth,int height){l=length;b=breadth;h=height;

}public void area(){

int ar=l*b;System.out.println("The area of Rectangle is "+ar);

}

public void volume(){

int v=l*h*b;System.out.println("The volume of Rectangle is "+v);

}}class Square implements Quad{

int s;Square(int side){

s=side;}public void area( ){

int ar=s*s;System.out.println("The area of Square is "+ar);



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}public void volume(){

int v=s*s*s;System.out.println("The volume of Square is "+v);

}}class Areavolume{


BufferedReader bi=new BufferedReader(newInputStreamReader(System.in));

int le,br,ht,sqr;System.out.println("Enter the length,breadth and height

of rectangle ");

le=Integer.parseInt(bi.readLine());br=Integer.parseInt(bi.readLine());ht=Integer.parseInt(bi.readLine());Rectangle r=new Rectangle(le,br,ht);r.area();r.volume();System.out.println("Enter the sides of square");sqr=Integer.parseInt(bi.readLine());Square sq = new Square(sqr);sq.area();sq.volume();

}}



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Output :

Enter the length,breadth and height of rectangle1565

45The area of Rectangle is 975The volume of Rectangle is 43875Enter the sides of square7The area of Square is 49The volume of Square is 343



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Program 11

Aim : Program To Implementation Of Two Packages.

Program :/*Student Package*/package Stud;public class Student{

int rol;String name;public Student(int a,String n){

rol=a;

name=n;}public void show(){

System.out.println("Student Roll no:"+rol);System.out.println("Student Name:"+name);

}}

/*Teacher Package*/

package Teach;public class Teacher{

int id;String tname;public Teacher(int a,String n){

id=a;tname=n;

}public void showt()

{System.out.println("Teacher ID:"+id);System.out.println("Teacher Name:"+tname);

}}



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/*Main Program*/import Stud.Student;import Teach.Teacher;import java.io.*;class StudTeachPack

{public static void main(String args[])throws IOException{

int n1,n2;String na1,na2;BufferedReader br=new BufferedReader(new

InputStreamReader(System.in));System.out.println("Enter The Student Details");System.out.println("Enter the rollnum");n1=Integer.parseInt(br.readLine());System.out.println("Enter the name");

na1=br.readLine();Student s=new Student(n1,na1);System.out.println("Enter The Teacher Details");System.out.println("Enter the id");n2=Integer.parseInt(br.readLine());System.out.println("Enter the name");na2=br.readLine();Teacher t=new Teacher(n2,na2);System.out.println("Student Details");System.out.println("-----------------------);s.show();

System.out.println("Teacher Details");System.out.println("-----------------------);t.showt();

}}



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Output :

H:\crt>javac Stud/Student.java

H:\crt>javac Teach/Teacher.java

H:\crt>javac StudTeachPack.java

H:\crt>java StudTeachPack

Enter The Student DetailsEnter the rollnum1168Enter the nameRamEnter The Teacher Details

Enter the id101Enter the nameBaluStudent Details--------------------Student Roll no:1168Student Name:RamTeacher Details---------------------Teacher ID:101

Teacher Name:Balu



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Program 12

Aim : Program To Exception Handling.

Program :import java.io.*;class Driverdemo extends Exception{


String name,add;int n,i,a;BufferedReader in=new BufferedReader(new

InputStreamReader(System.in));

System.out.println("Enter the limit");n=Integer.parseInt(in.readLine());for(i=0;i60){

System.out.println("Exception occured");throw new Driverdemo();

}}catch(Driverdemo e){

System.out.println("Exception caught "+e);}

}}

}



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Output :

Enter the limit2Enter the name

RamEnter the addressRamvillaEnter the age56Enter the nameBabuEnter the addressGeethamEnter the age61

Exception occuredException caught Driverdemo



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Program 13

Aim : Program To Counter Using Thread.

Program :import java.io.*;class Counterthread{

public static void main(String arg[])throws IOException{

int n;DataInputStream p;p=new DataInputStream(System.in);System.out.println("Enter the limit");

n=Integer.parseInt(p.readLine());Thread t=Thread.currentThread();try{

for(int i=0;i


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Output :

Enter the limit100

123456789



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Program 14

Aim : Program To Threads using thread priority1.1,2,3,...........

2.1,3,5,7...............3.2,4,6,8.................

Program :

import java.io.*;class Pattern1 implements Runnable{

Thread t;int n;Pattern1(int p,int nu)

{t=new Thread(this,"PATTERN1");t.setPriority(p);n=nu;t.start();

}public void run(){

for(int i=1;i


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for(int i=1;i


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System.out.println("Thread Interrupted");}

}}



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Output :

Enter the limit

10

1,2,3,4,5,6,7,8,9,10,

1,3,5,7,9,

2,4,6,8,10,



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Program 15

Aim : Program To Marquee Using Applet.

Program :import java.awt.*;import java.applet.*;/**/public class Marque extends Applet implements Runnable{

String msg="Hai Friends......How Are You? ";

Thread t=null;int state;boolean stopFlag;public void init(){

setBackground(Color.cyan);setForeground(Color.red);

}public void start(){

t=new Thread(this);

stopFlag=false;t.start();

}public void run(){

char ch;for( ; ;){

try{

repaint();

Thread.sleep(250);ch=msg.charAt(0);msg=msg.substring(1,msg.length());msg +=ch;if(stopFlag)break;



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}catch(InterruptedException e){}

}

}public void stop(){

stopFlag=true;t=null;

}public void paint(Graphics g){

g.drawString(msg,50,30);}

}



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Output :



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Program 16

Aim : Program To Graphics Using Applet

Program :import java.awt.*;import java.applet.*;/*

*/public class Picturen extends Applet{

public void paint(Graphics g)

{ g.setColor(Color.red);g.drawLine(231,22,210,10);g.drawLine(220,30,210,10);

g.drawLine(256,22,256,5);g.drawLine(245,20,256,5);

g.drawOval(210,20,75,75);g.setColor(Color.blue);g.fillOval(210,80,100,100);

g.setColor(Color.red);g.fillOval(233,36,10,10);g.fillOval(245,35,10,10);

g.setColor(Color.black);g.drawLine(244,45,245,58);g.drawLine(233,59,255,58);

g.drawArc(145,60,145,120,-70,-100);}

}



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Output :



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Program 17

Aim : Program to Event Handling Program

Program :import java.io.*;import java.awt.*;import java.awt.event.*;import java.applet.*;/*

*/public class KeyEventHand extends Applet implements KeyListener{

String msg="";int X=10,Y=20;public void init(){

addKeyListener(this);}public void keyPressed(KeyEvent ke){

showStatus("Key Down");}public void keyReleased(KeyEvent ke)

{showStatus("Key Up");

}public void keyTyped(KeyEvent ke){

msg+=ke.getKeyChar();repaint();


g.drawString(msg,X,Y);

}}

Output :



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Program 18



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Aim : Program to Prepare a Feedback Form using AWT Control

Program :

import java.awt.*;import java.applet.*;import java.awt.event.*;/*

*/public class Feedbackdemo extends Applet implements ActionListener{

String msg=" ";String str;Label form,name,ge,pl,em,co;TextField namet,emt;TextArea com;Button res,sub;CheckboxGroup gen;Checkbox male,female;Choice loc;public void init(){

setLayout(null);

form=new Label("FEEDBACK FORM");form.setBounds(400,10,150,50);add(form);name=new Label("NAME");name.setBounds(100,100,100,50);add(name);namet=new TextField(20);namet.setBounds(350,100,200,30);add(namet);ge=new Label("GENDER");ge.setBounds(100,150,100,50);

add(ge);gen=new CheckboxGroup();male=new Checkbox("MALE",gen,true);male.setBounds(350,150,200,40);add(male);

female=new Checkbox("FEMALE",gen,false);



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female.setBounds(550,150,250,40);add(female);pl=new Label("PLACE");pl.setBounds(100,190,200,50);add(pl);

loc=new Choice();loc.setBounds(350,200,200,140);loc.add("-Select-");loc.add("Trivandrum");loc.add("Kollam");loc.add("Alappuzha");loc.add("Pathanamthitta");loc.add("Kottayam");loc.add("Idukki");loc.add("Eranakulam");loc.add("Thrissur");

loc.add("Palakkad");loc.add("Mallapuram");loc.add("Kozhikode");loc.add("Wayanad");loc.add("Kannur");loc.add("Kasargod");add(loc);em=new Label("EMAIL");em.setBounds(100,250,100,50);add(em);emt=new TextField(20);

emt.setBounds(350,250,200,30);add(emt);co=new Label("COMMENTS");co.setBounds(100,300,100,50);add(co);com=new TextArea();com.setBounds(350,300,400,100);add(com);sub=new Button("SUBMIT");sub.setBounds(400,550,50,30);add(sub);

res=new Button("RESET");res.setBounds(500,550,50,30);add(res);sub.addActionListener(this);

res.addActionListener(this);



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}public void actionPerformed(ActionEvent ae){

str=ae.getActionCommand();if(str.equals("SUBMIT"))

{ msg="FEEDBACK FORM SUBMITTED SUCCESSFULLY";}else if(str.equals("RESET")){

msg="FORM RESETTED. ENTER NEW DATA";namet.setText(" ");emt.setText(" ");com.setText(" ");gen.setSelectedCheckbox(male);male.setState(false);

female.setState(false);loc.select("-Select-");

}else{

msg="WRONG COMMAND";}repaint();



}

Output :



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Program 19



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Aim : Program To Flow Laylout And Border Layout

Program :

/** Flow Laylout */

import java.awt.*;import java.awt.event.*;import java.applet.*;/**/public class FlowLayoutDemo extends Applet implements ItemListener{

String msg=" ";Checkbox crab,prawn,tuna,shark;public void init(){

setLayout(new FlowLayout(FlowLayout.LEFT));crab = new Checkbox("CRAB",null,true);prawn= new Checkbox("PRAWN");tuna = new Checkbox("TUNA");shark = new Checkbox("SHARK");add(crab);

add(prawn);add(tuna);add(shark);crab.addItemListener(this);prawn.addItemListener(this);tuna.addItemListener(this);shark.addItemListener(this);

}public void itemStateChanged(ItemEvent ie){

repaint();


msg= "Current state: ";g.drawString(msg,6,80);

msg= "CRAB: "+ crab.getState();



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g.drawString(msg,6,100);msg= "PRAWN: "+ prawn.getState();g.drawString(msg,6,120);msg= "TUNA: "+ tuna.getState();g.drawString(msg,6,140);

msg= "SHARK: "+ shark.getState();g.drawString(msg,6,160);}

}

Output :



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Program



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/** Border Layout */

import java.awt.*;

import java.awt.event.*;import java.applet.*;/**/public class BorderLayoutDemo extends Applet{

public void init(){

setLayout(new BorderLayout());

add(new Button("Kerala Tourism"),BorderLayout.NORTH);add(new Button("Beaches"),BorderLayout.SOUTH);add(new Button("Heritage sites"),BorderLayout.EAST);add(new Button("Backwaters"),BorderLayout.WEST);String msg=" Kerala is known for its tropical backwaters and\n "+"\npristine beaches such as Kovalam \n" +"\n Popular attractions in the state "+"\n include the beaches at Kovalam Cherai and Varkala \n"+"\n The hill stations of Munnar\n"+"\nNelliampathi Ponmudi and Wayanad ";add(new TextArea(msg),BorderLayout.CENTER);

}}

Output :



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Program 20



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Aim : Program To PopUp Menu

Program :

import java.awt.*;import java.awt.event.*;import java.applet.*;/*

*/class MenuFrame extends Frame implements ActionListener{

String msg=" ";MenuFrame(String title){

super(title);MenuBar mbar=new MenuBar();setMenuBar(mbar);Menu file=new Menu("File");MenuItem nw,open,save,line,print,exit;file.add(nw=new MenuItem("New"+" "+"Ctrl+N"));file.add(open=new MenuItem("Open"+" "+"Ctrl+O"));file.add(save=new MenuItem("Save"+" "+"Ctrl+S"));file.add(line=new MenuItem("-"));file.add(print=new MenuItem("Print"+" "+"Ctrl+p"));file.add(exit=new MenuItem("Exit"));mbar.add(file);Menu view=new Menu("View");Menu explorerbars=new Menu("Explorer Bar");MenuItem history,search;explorerbars.add(history=new MenuItem("History"));explorerbars.add(search=new MenuItem("Search"));view.add(explorerbars);mbar.add(view);nw.addActionListener(this);open.addActionListener(this);save.addActionListener(this);line.addActionListener(this);print.addActionListener(this);

exit.addActionListener(this);history.addActionListener(this);



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search.addActionListener(this);}public void actionPerformed(ActionEvent ae){

msg="You have selected \t ";

String arg=(String)ae.getActionCommand();msg+=arg;repaint();



}public class Popupmenu extends Applet{

Frame f;public void init(){

f=new MenuFrame("Menu Demo");int width=Integer.parseInt(getParameter("width"));int height=Integer.parseInt(getParameter("height"));setSize(new Dimension(width,height));f.setSize(width,height);f.setVisible(true);

}public void start()

{f.setVisible(true);

}public void stop(){

f.setVisible(false);}

}

Output :



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Program 21



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Aim : Program To Simple calculator using RMI.

Program :

/**Interface */

import java.rmi.*;public interface Calintf extends Remote{

int add(int d1,int d2) throws RemoteException;int sub(int d1,int d2) throws RemoteException;int mul(int d1,int d2) throws RemoteException;int div(int d1,int d2) throws RemoteException;

}

/**Implementing Interface */

import java.rmi.*;import java.rmi.server.*;public class Calimp extends UnicastRemoteObject implements Calintf{

public Calimp() throws RemoteException{}public int add(int d1,int d2) throws RemoteException

{return d1+d2;

}public int sub(int d1,int d2) throws RemoteException{

return d1-d2;}public int mul(int d1,int d2) throws RemoteException{

return d1*d2;}

public int div(int d1,int d2) throws RemoteException{

return d1/d2;}

}



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/**Server class*/

import java.net.*;import java.rmi.*;public class Calserver

{public static void main(String args[]){

try{

Calimp c=new Calimp();Naming.rebind("rmi://localhost/calserver",c);System.out.println("Server is ready");

}catch(Exception e){

System.out.println("Exception "+e);}

}}

/**Client Class*/

import java.rmi.*;import java.io.*;

public class Calclient{

public static void main(String arg[]){

BufferedReader br=new BufferedReader( newInputStreamReader(System.in));

String ch;int cn;String name="rmi://localhost/calserver";try{

Calintf cal=(Calintf)Naming.lookup(name);do{

System.out.println("Enter first no : ");

int d1=Integer.parseInt(br.readLine());System.out.println("Enter second no : ");



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int d2=Integer.parseInt(br.readLine());System.out.println("Enter the operator(+,-,*,/)");ch=br.readLine();if(ch.equals("+"))System.out.println("Sum : "+cal.add(d1,d2));

else if(ch.equals("-"))System.out.println("Difference : "+cal.sub(d1,d2));else if(ch.equals("*"))System.out.println("Product : "+cal.mul(d1,d2));else if(ch.equals("/"))System.out.println("Quotient : "+cal.div(d1,d2));elseSystem.out.println("Wrong Choice");System.out.println("Do you want to continue?(0/1)");cn=Integer.parseInt(br.readLine());

}while(cn!=0);

}catch(Exception e){

System.out.println("Exception : "+e);}

}}

Output :



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H:\crt\RMI>javac Calintf.java

H:\crt\RMI>javac Calimp.java

H:\crt\RMI>javac Calserver.java

H:\crt\RMI>javac Calclient.java

H:\crt\RMI>rmic Calimp

H:\crt\RMI>start rmiregistry

H:\crt\RMI>java CalserverServer is ready

H:\crt\RMI>java Calclient 192.168.1.2Enter first no :23Enter second no :44Enter the operator(+,-,*,/)+Sum : 67Do you want to continue?(0/1)0

H:\crt\RMI>java Calclient 192.168.1.2Enter first no :11Enter second no :2Enter the operator(+,-,*,/)*Product : 22Do you want to continue?(0/1)1Enter first no :

11

Enter second no :33



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Enter the operator(+,-,*,/)+Sum : 44Do you want to continue?(0/1)1

Enter first no :55Enter second no :33Enter the operator(+,-,*,/)-Difference : 22Do you want to continue?(0/1)1Enter first no :78

Enter second no :2Enter the operator(+,-,*,/)/Quotient : 39Do you want to continue?(0/1)0

Project I



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q1:Employee and Department database

Create table Emptable and Depttable and Insert values .Depttable :-Dno(primary key),Dname,FloorEmptable:-Empno(primary key),Empname,Dno(Foreign Key),Salary,Age

Ans:

SQL> create table depttable(Dno varchar(10) PRIMARY KEY,Dnamevarchar(20),Floor

varchar(10));

Table created.

SQL> insert into depttable values('D-501','Toy','F-102');

1 row created.

SQL> insert into depttable values('D-503','Shoe','S-202');

1 row created.

SQL> insert into depttable values('D-505','Clothes','T-302');

1 row created.

SQL> insert into depttable values('D-506','Books','F-109');

1 row created.

SQL> insert into depttable values('D-507','Toy','S-210');

1 row created.

SQL> insert into depttable values('D-504','Sweets','T-307');

1 row created.

SQL> insert into depttable values('D-509','Jewels','F-110');

1 row created.



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SQL> select * from depttable ;

DNO DNAME FLOOR---------- -------------------- ----------D-501 Toy F-102

D-503 Shoe S-202D-505 Clothes T-302D-506 Books F-109D-507 Toy S-210D-504 Sweets T-307D-509 Jewels F-110

7 rows selected.

SQL> create table emptable(Empno varchar(10) PRIMARY KEY,Enamevarchar(20),

Dno varchar(20),Salary numeric(10),Age numeric(10),FOREIGN KEY(Dno) REFERENCES depttable(Dno));

Table created.

SQL> insert into emptable values('E12','Anna','D-507',8000,35);

1 row created.

SQL> insert into emptable values('E15','Ram','D-505',5000,55);

1 row created.

SQL> insert into emptable values('E16','Raj','D-503',3000,45);

1 row created.

SQL> insert into emptable values('E17','Leela','D-504',6500,40);

1 row created.

SQL> insert into emptable values('E18','Kuttu','D-501',4000,42);

1 row created.

SQL> insert into emptable values('E20','Biju','D-504',9500,30);

1 row created.



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SQL> insert into emptable values('E25','Siju','D-509',1000,25);

1 row created.

SQL> insert into emptable values('E26','Giri','D-506',2500,20);

1 row created.

SQL> select * from emptable;

EMPNO ENAME DNO SALARY AGE---------- -------------------- -------------------- ---------- --E12 Anna D-507 8000 35E15 Ram D-505 5000 55E16 Raj D-503 3000 45E17 Leela D-504 6500 40

E18 Kuttu D-501 4000 42E20 Biju D-504 9500 30E25 Siju D-509 1000 25E26 Giri D-506 2500 20

8 rows selected.

q2:

Find out the name of all employees.

Ans :

SQL> Select Ename from emptable;

ENAME--------------------AnnaRamRajLeelaKuttuBijuSijuGiri8 rows selected.

q3:



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Retrive the names of depatartment in Assending order and theiremployees in desending order.

Ans :

SQL> select Dname ,Ename from depttable,emptable wheredepttable.Dno=emptable.Dno order by Dname asc, Ename desc;

DNAME ENAME-------------------- -----------Books GiriClothes RamJewels SijuShoe RajSweets Leela

Sweets BijuToy KuttuToy Anna

8 rows selected.

q4 :

Find Name,Age and Salary of Raj and Ram.

Ans :

SQL> select Ename,Age,Salary from emptable where EnameIN('Raj','Ram');

ENAME AGE SALARY------- -------------------------Ram 55 5000Raj 45 3000

q5 :

Find out all the employee names of emptable with a any where in thename.

Ans :



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SQL> select Ename from emptable where Ename like ('%a%');

ENAME--------------------

AnnaRamRajLeela

q6 :

Find out which employee either works in Toy or Shoe department.

Ans :

SQL> select Ename, Dname from emptable,depttable whereemptable.Dno=depttable.Dno and Dname IN('Toy','Shoe');

ENAME DNAME---------- ------------Anna ToyRaj ShoeKuttu Toy

q7:

Dispaly the Department of employee Raj.Ans :

SQL> select Dname from depttable,emptable where Ename='Raj' andemptable.Dno=depttable.Dno;

DNAME----------Shoe

q8 :



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Modify the emptable.To include 2 more fields,Manager varchar(10) andJob varchar(10) and Insert values;

Ans :

SQL> alter table emptable add(Manager varchar(25),Job varchar(10));

Table altered.

SQL> select * from emptable;

EMPNO ENAME DNO SALARY AGE MANAGER JOB------------------------- -------------------- -------- ---------------

E12 Anna D-507 8000 35

E15 Ram D-505 5000 55

E16 Raj D-503 3000 45


E17 Leela D-504 6500 40

E18 Kuttu D-501 4000 42

E20 Biju D-504 9500 30


E25 Siju D-509 1000 25

E26 Giri D-506 2500 20

8 rows selected.



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SQL> update emptable SET Manager='Biju',job='Ast.Mngr' whereEmpno='E12';

1 row updated.

SQL> update emptable SET Manager='Anil',job='Sales' where Empno='E15';

1 row updated.

SQL> update emptable SET Manager='Rajan',job='Executive' whereEmpno='E16';

1 row updated.

SQL> update emptable SET Manager='Biju',job='Clerk' where Empno='E17';

1 row updated.

SQL> update emptable SET Manager='Rani',job='Accounter' whereEmpno='E18';

1 row updated.

SQL> update emptable SET Manager='Null',job='Manager' whereEmpno='E20';

1 row updated.

SQL> update emptable SET Manager='Nila',job='Sweeper' whereEmpno='E25';

1 row updated.

SQL> update emptable SET Manager='Geetha',job='Sweeper' whereEmpno='E26';

1 row updated.

SQL> select* from emptable;

EMPNO ENAME DNO SALARY AGE MANAGER JOB------------------------- -------------------- -------- ---------------------

E12 Anna D-507 8000 35 Biju Ast.Mngr



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E15 Ram D-505 5000 55 Anil Sales

E16 Raj D-503 3000 45 Rajan Executive

EMPNO ENAME DNO SALARY AGE MANAGER JOB------------------------- -------------------- -------- -----------------------

E17 Leela D-504 6500 40 Biju Clerk

E18 Kuttu D-501 4000 42 Rani Accounter

E20 Biju D-504 9500 30 Null Manager

EMPNO ENAME DNO SALARY AGE MANAGER JOB------------------------- -------------------- -------- ----------------------

E25 Siju D-509 1000 25 Nila Sweeper

E26 Giri D-506 2500 20 Geetha Sweeper

8 rows selected.

q9 :

Dispaly the Empno,Ename and job of employee who are not Clerk and

Whose salary is less than the salary of Clerk.Ans :

SQL> select Empno,Ename,job from emptable where salary


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q10 :

Select the name of employee and department of all employees fromemptable,depttable.

Ans :

SQL> select Ename,Dname from emptable,depttable whereemptable.Dno=depttable.Dno;

ENAME DNAME-------------- ---------------Anna ToyRam ClothesRaj ShoeLeela SweetsKuttu ToyBiju SweetsSiju JewelsGiri Books



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Project II

q1 :

Student Database

Create Studtable:Studtable :-Name,Rollno,Date of Birth,Sub1,Sub2,Sub3,Sub4,Sub5

Ans :

SQL> create table Studtable(name varchar(10),rollnonumeric(5)PRIMARY KEY,DOB date,sub1 numeric(5),sub2 numeric(5),

sub3 numeric(5),sub4 numeric(5),sub5 numeric(5));

Table created.

q2 :

Insert 5 row values and display 5 rows.

Ans :

SQL> insert into Studtable values('amith',110,TO_DATE('12-12-1989','DD-MM-YY'),89,75,99,95,87);

1 row created.

SQL> insert into Studtable values('aruna',118,TO_DATE('15-7-1988','DD-MM-YY'),88,56,75,65,50);

1 row created.

SQL> insert into Studtable values('sunitha',225,TO_DATE('4-8-1990','DD-MM-

YY'),75,65,88,77,90);

1 row created.

SQL> insert into Studtable values('krishna',544,TO_DATE('17-4-1995','DD-MM-YY'),88,70,80,78,65);



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1 row created.

SQL> insert into Studtable values('leela',780,TO_DATE('8-8-1985','DD-MM-

YY'),70,70,50,60,65);

1 row created.

SQL> select * from Studtable;

NAME ROLLNO DOB SUB1 SUB2 SUB3 SUB4 SUB5---------- ---------- --------- ---------- ---------- ---------- ---------------------amith 110 12-DEC-89 89 75 99 95 87

aruna 118 15-JUL-88 88 56 75 65 50

sunitha 225 04-AUG-90 75 65 88 77 90

NAME ROLLNO DOB SUB1 SUB2 SUB3 SUB4 SUB5---------- ---------- --------- ---------- ---------- ---------- ---------------------

krishna 544 17-APR-95 88 70 80 78 65

leela 780 08-AUG-85 70 70 50 60 65

q3 :

Modify the studtable to include 2 fields total and percent.

Ans :

SQL> alter table Studtable ADD(total numeric(10),percent numeric(10));

Table altered.


NAME ROLLNO DOB SUB1 SUB2 SUB3 SUB4 SUB5 TOTAL PERCENT---------- ---------- --------- ---------- ---------- ---------- -------------------------------amith 110 12-DEC-89 89 75 99 95 87

aruna 118 15-JUL-88 88 56 75 65 50



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sunitha 225 04-AUG-90 75 65 88 77 90

NAME ROLLNO DOB SUB1 SUB2 SUB3 SUB4 SUB5 TOTAL PERCENT---------- ---------- --------- ---------- ---------- ---------- -------------------------------

krishna 544 17-APR-95 88 70 80 78 65

leela 780 08-AUG-85 70 70 50 60 65

q4 :

Calculate Total and Percent and dispaly.

Ans :

SQL> update Studtable SET total=sub1+sub2+sub3+sub4+sub5;

5 rows updated.

SQL> update Studtable SET percent=total/500*100;

5 rows updated.



amith 110 12-DEC-89 89 75 99 95 87 445 89

aruna 118 15-JUL-88 88 56 75 65 50 334 67

sunitha 225 04-AUG-90 75 65 88 77 90 395 79


krishna 544 17-APR-95 88 70 80 78 65 381 76

leela 780 08-AUG-85 70 70 50 60 65 315 63



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q5 :

Select the details of student whose name starts with a having 5 letters.

Ans:

SQL> select * from Studtable where name like('a____');


amith 110 12-DEC-89 89 75 99 95 87 445 89

aruna 118 15-JUL-88 88 56 75 65 50 334 67

q6 :

Give additional 5 marks to those student whose % is above 80.

Ans :

SQL> select name,rollno,DOB,sub1,sub2,sub3,sub4,sub5,total+5 astotal,(total+5)/5 as percent from Studtable where percent > 80;

NAME ROLLNO DOB SUB1 SUB2 SUB3 SUB4 SUB5 TOTAL PERCENT

---------- ---------- --------- ---------- ---------- ---------- -------------------------------

amith 110 12-DEC-89 89 75 99 95 87 450 90

q7 :

Display number of rows in the table;

Ans :

SQL> select count(*) from Studtable;

COUNT(*)----------

5



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q8 :

Select the name of student with highest mark;

Ans :

SQL> select name from Studtable where (total=(Select max(total) fromStudtable));

NAME----------Amith

q9 :

Select name and age whose age is greater than the others.

Ans :

SQL> select name,(TO_CHAR(sysdate,'YYYY')-TO_CHAR(DOB,'YYYY')) asage from Studtable where DOB= (Select min(DOB) from Studtable);

NAME AGE---------- ----------leela 26



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Project III

q1 :

Item Database

Create item table.Item:- Itemno, Itemname, Itemprice,Qtyonhand

Ans:

SQL> create table item(itemno numeric(5)PRIMARY KEY,itemnamevarchar(10),itemprice numeric(3,2),qtyonhand numeric(3));

Table created.

q2 :

Insert values And display all details of item.

Ans :

SQL> insert into item values(1,'Screw',2.25,50);

1 row created.

SQL> insert into item values(2,'Nut',5.00,110);

1 row created.

SQL> insert into item values(3,'Bolt',3.99,75);

1 row created.

SQL> insert into item values(4,'Hammer',9.99,125);

1 row created.

SQL> insert into item values(5,'Washer',1.99,100);

1 row created.



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SQL> insert into item values(6,'Nail',0.99,300);

1 row created.

SQL> select * From item;

ITEMNO ITEMNAME ITEMPRICE QTYONHAND---------- ------------------ ----------------- --------------

1 Screw 2.25 502 Nut 5 1103 Bolt 3.99 754 Hammer 9.99 1255 Washer 1.99 1006 Nail .99 300

6 rows selected.

q3:

Find the total value of each item based on qtyonhand.

Ans :

SQL> select itemname,itemprice*qtyonhand "Total value" from item;

ITEMNAME Total value---------- --------------------Screw 112.5Nut 550Bolt 299.25Hammer 1248.75Washer 199Nail 297

6 rows selected.

q4:

Display item with unit price of atleast 5

Ans:SQL> select UPPER(itemname) as item,itemprice from item where

itemprice>=5;



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ITEM ITEMPRICE------------ ------------NUT 5HAMMER 9.99

q5:

Find item with a unit price between 2 and 5.

Ans:

SQL> select * from item where itemprice between 2 and 5;

ITEMNO ITEMNAME ITEMPRICE QTYONHAND------------- ---------- ---------- ---------------------------

1 Screw 2.25 502 Nut 5 1103 Bolt 3.99 75

q6 :

Find the total,average,highest and lowest unit prices

Ans:

SQL> select sum(itemprice),avg(itemprice),max(itemprice),min(itemprice) from item;

SUM(ITEMPRICE) AVG(ITEMPRICE) MAX(ITEMPRICE) MIN(ITEMPRICE)---------------------- ----------------------- ----------------------- ----------------------

24.21 4.035 9.99 .99

q7:

Display item price rounded to nearest price.

Ans :

SQL> select itemname,ROUND(itemprice,0) from item;



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ITEMNAME ROUND(ITEMPRICE,0)----------------- ----------------------------Screw 2Nut 5

Bolt 4Hammer 10Washer 2Nail 1

6 rows selected.

q8:

Delete records in which itemprice lessthan 2 .

Ans :

SQL> delete from item where itemprice select * from item;

ITEMNO ITEMNAME ITEMPRICE QTYONHAND--------------- -------------- ---------- ------------------------

1 Screw 2.25 502 Nut 5 1103 Bolt 3 99 75

ccrt javapgm

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