advanced java record

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THE RECORD BOOK OF ADVANCED JAVA PROGRAMMING

LABORATORY

BAKTAVATCHALAM.G(08MW03)

Dissertation submitted in partial fulfillment of the requirements for the degree of

MASTER OF ENGINEERING

Branch: SOFTWARE ENGINEERING

of Anna University

November 2008

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING

PSG COLLEGE OF TECHNOLOGY

(Autonomous Institution)

COIMBATORE – 641 004



Ex.No.1

Aim:

To find Maturity for given Rate, Year and Capital

Code:

import java.io.*;

public class Maturity {

public static void main(String[] ss) throws Exception

{

double m,p,r,n;

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

m=p=r=n=0;

//m=Double.parseDouble(in.readLine());

System.out.println("Enter P:");

p=Double.parseDouble(in.readLine());

System.out.println("Enter R:");

r=Double.parseDouble(in.readLine());

System.out.println("Enter N:");

n=Double.parseDouble(in.readLine());

m=p*(Math.pow((1+r/100),n));

System.out.println("M="+m);

}

}

Output:

Enter P:2000

Enter R:15

Enter N:3

M=3041.7499999999995

Result:

Thus the above program is executed successfully.



Ex.No.2

Aim:

To find the Students who had given constraints.

Code:

import java.io.*;

public class Student

{

public static void main(String[] aa) throws Exception

{


int rno=0;

String name="",dob="";

double H=0,W=0;

System.out.println("Enter RollNo:");

rno=Integer.parseInt(in.readLine());

System.out.println("Enter Name:");

name=in.readLine();

System.out.println("Enter DOB[DD-MM-YYYY]:");

dob=in.readLine();

System.out.println("Enter Height:");

H=Double.parseDouble(in.readLine());

System.out.println("Enter Width:");

W=Double.parseDouble(in.readLine());

Students ss=new Students(rno,name,dob,H,W);

ss.disp();

}

}



Output:

Enter RollNo:03

Enter Name:SuperStar

Enter DOB[DD-MM-YYYY]:22-jul-1985

Enter Height:175

Enter Width:65

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

RollNo:3

Name:SuperStar

DOB:22-jul-1985

Height:175.0

Width:65.0

Result:




Ex.No.3

Aim:

To evaluate Student marks to find the eligibility of Technical Pass.

Code:

import java.io.*;

public class MarkEval {

public static void main(String[] str) throws Exception

{


System.out.println("Enter M1:");

int m1=Integer.parseInt(in.readLine());

System.out.println("Enter M2:");

int m2=Integer.parseInt(in.readLine());

if(m1>=15 && m2>=15)

{

if(m1>=39 &&m2>=39)

System.out.println("Pass!");

else

System.out.println("Fail[Mark<15]!");

}

else

System.out.println("Fail[Mark<15]!");

}

}



Output:

Enter M1:

39

Enter M2:

49

Pass!

Result:




Ex.No.4

Aim:

To find the total wages to be paid according to given criteria

Code:

import java.io.*;

public class Wages {

public static void main(String[] str) throws Exception

{


System.out.println("Enter Workers Total Hours:");

int m1=Integer.parseInt(in.readLine()),w=0;

for(int i=1;i<=m1;i++)

{

if(i<=30)

w+=30;

else if(i>30 && i<=55)

w+=(45);

else

w+=60;

}

System.out.println("Wages: Rs."+w);

}

}

Output:

Enter Workers Total Hours:245

Wages: Rs.13425

Result:




Ex.No.5

Aim:

To find commission of the given product code

Code:

import java.io.*;

public class Commission {


{


System.out.println("Enter Product Code:");

int c=Integer.parseInt(in.readLine());

switch(c)

{

case 1: System.out.println("Commission:"+0.5); break;

case 2: System.out.println("Commission:"+1); break;



case 5: System.out.println("Commission:"+3.5); break;

}

}

}

Output:

Enter Product Code:2

Commission:1

Result:




Ex.No.6

Aim:

To find the total salary of a man in which the salary twice per each day

Code:

import java.io.*;

public class PayTwice {


{


System.out.println("Enter Mans Total Working Days:");

int c=Integer.parseInt(in.readLine()),p=0;

for(int i=1;i<=c;i++)

p+=(i*25);

System.out.println("Mans Total Pay:"+p);

}

}

Output:

Enter Mans Total Working Days:30

Mans Total Pay:11625

Result:




Ex.No.7

Aim:

To find the given matrix is a Identity Matrix or not

Code:

import java.io.*;

public class IdentityMatrix {


{


System.out.println("Enter Square Matrix Size:");

int n=Integer.parseInt(in.readLine());

boolean f=true;

int[][] m=new int[n][n];

System.out.println("Enter Matrix Values One By One:");

for(int i=0;i<n;i++)

for(int j=0;j<n;j++)

{

m[i][j]=Integer.parseInt(in.readLine());

}


for(int j=0;j<n;j++)

{

if(i==j && m[i][j]==1)

f=true;

else if(i!=j && m[i][j]==0)

f=true;

else

{

f=false;

break;



}

}

if(f)

System.out.println("It's a Identity Matrix!");

else

System.out.println("It's Not a Identity Matrix!");

}

}

Output:

Enter Square Matrix Size: 3

Enter Matrix Values One By One:

1 0 0

0 1 0

0 0 1

It's a Identity Matrix!

Result:




Ex.No.8

Aim:

To implement STD call rate with given input parameters

Code:

public class MakingCalls {

public static void main(String[] ss)

{

STDCall s1,s2,s3;

s1=new STDCall("235707", "235480", 15, 8, 16, "04343", "04346");

s2=new STDCall("244707", "236780", 65, 23, 6, "04373", "04546");

s3=new STDCall("266707", "244580", 35, 5, 7, "04783", "04676");

s1.disp(); s2.disp(); s3.disp();

}

}

////////////////////////////////////

class Call

{

String sTno="",dTno=""; int d=0,tts=0,tte=0,nou=0;

public Call(String src,String dest,int d1,int t1,int t2)

{

sTno=src; dTno=dest; d=d1; tts=t1; tte=t2;

switch(d)

{

case 2: nou=1; break;





default: nou=6;

}



}

}

//////////////////////////////////////

class STDCall extends Call

{

String sC="",dC=""; int pR=0; Concession con;

public STDCall(String src,String dest,int d1,int t1,int t2,String sc,String dc)

{

super(src,dest,d1,t1,t2); sC=sc; dC=dc;

pR=d1; con=new Concession(d1);

}

public void disp()

{

System.out.println("\nSrc:"+sC+"-"+sTno+"\nDest:"+dC+"-"+dTno+"\nPulseRate:"+pR+"\nConcession Rate:"+con.getCon(pR)+"\nNo of Units:"+nou+"\n");

}

}

////////////////////////////////////////////

class Concession

{

int dur=0;

public Concession(int d)

{ dur=d; }

public double getCon(double p)

{

double pr=p;

if(dur>=8 && dur<=18) pr*=1;

else if(dur>=18 && dur<=20) pr*=1/2;

else if(dur>=20 && dur<=23) pr*=1/3;

else if(dur>=23 && dur<=5) pr*=1/4;

else if(dur>=5 && dur<=6) pr*=1/3;



Ex.No.9

Aim:

To find Average of N numbers with User Defined Exception.

Code:

import java.io.*;

public class AvgOfNos {

public static void main(String[] ss)

{

try {

int n=0,no[],s=0;


System.out.println("Enter How many No's:");

n=Integer.parseInt(in.readLine());

no=new int[n];

System.out.println("Enter the nos one by one:");


{

no[i]=Integer.parseInt(in.readLine());

if(no[i]<=0) throw new ZeroE("You are entered 0/-ve !!!");

else s+=no[i];

}

System.out.println("Avg:"+(s/n));

} catch(ZeroE e) { System.out.println("ZError:"+e.toString()); }

catch(Exception e1) { System.out.println("StdError:"+e1.toString()); }

}

}

////////////////////////////

class ZeroE extends Exception {

public ZeroE(String msg) { super(msg); }

}



Output:

Enter How many No's:5

Enter the nos one by one:

-1

ZError:ZeroE: You are entered 0/-ve !!!

Enter How many No's: 5

Enter the nos one by one: 5 6 7 34 23

Avg:15

Result:




public Emp(String e,String n, Date d1,Date d2)

{

ecode=e; name=n; dob=d1; doa=d2;

}

public void verifyD() throws DateE

{

if(dob.before(doa)) throw new DateE(ecode+"-DOB>DOA");

else System.out.println(ecode+"-Date Format is Valid!");

}

public void verifyC() throws CodeE {

if( ecode.charAt(0)>='0' && ecode.charAt(0)<='9' &&

ecode.charAt(1)>='0' && ecode.charAt(1)<='9' &&

ecode.charAt(3)=='M' || ecode.charAt(3)<='A' ||

ecode.charAt(3)=='H' || ecode.charAt(3)<='E' ||

ecode.charAt(3)=='T' &&



ecode.charAt(7)>='0' && ecode.charAt(7)<='9'

) System.out.println(ecode+"-Emp Code Format is Valid!");

else throw new CodeE(ecode+"-Invalid Emp Code[nn-#-nnn](#-M,A,H,E,T)!");

} }

Output:

08-A-001-Emp Code Format is Valid!

CodeE: 08-X-002-Invalid Emp Code[nn-#-nnn](#-M,A,H,E,T)!

Result:




Ex.No.11

Aim:

To implement a basic calculator using Applet

Code:

import java.awt.*;import java.awt.event.*;import javax.swing.*;

//<applet code=Calc height=500 width=500></applet> public class Calc extends JApplet implements ActionListener {

JTextField t1,t2,t3,t4;JButton b1,b2;double n1,n2,ans;String op;

public void init()

{ Container cp=getContentPane();cp.setLayout(new FlowLayout());t1=new JTextField(15);t1.setText("0");t2=new JTextField(3);t2.setText("+");t3=new JTextField(15);t3.setText("0");t4=new JTextField(15);t1.setText("0");b1=new JButton("=");b2=new JButton("C");n1=n2=ans=0;op="";cp.add(t1);//,BorderLayout.NORTH);cp.add(t2);//,BorderLayout.NORTH);cp.add(t3);//,BorderLayout.NORTH);cp.add(t4);//,BorderLayout.NORTH);cp.add(b1);//,BorderLayout.SOUTH);cp.add(b2);//,BorderLayout.SOUTH);cp.add((new JLabel("*GMB Super Calculator*")));//,BorderLayout.CENTER);b1.addActionListener(this);b2.addActionListener(this);

}

public void actionPerformed(ActionEvent ae)

{ if(ae.getActionCommand().equalsIgnoreCase("=")){

n1=Double.parseDouble(t1.getText());n2=Double.parseDouble(t3.getText());op=t2.getText();switch((char)op.charAt(0)){

case '+': ans=n1+n2; break;



case '-': ans=n1-n2; break;case '*': ans=n1*n2; break;case '/': ans=n1/n2; break;

}t4.setText(ans+"");

}else if(ae.getActionCommand().equalsIgnoreCase("C")){

t1.setText("0");t2.setText("0");t3.setText("+");t4.setText("0");

} }

}

Output:

Result:

Thus the above applet program is executed successfully.



Ex.No.12

Aim:

To calculate Average of Variable size of numbers using Swing

Code:

import java.awt.*;import java.awt.event.*;import javax.swing.*;

public class Avg extends JFrame implements ActionListener {

JTextField t1,t2;JButton b1,b2;double n2;String n1[];

public Avg(){

Container cp=getContentPane();cp.setLayout(new FlowLayout());t1=new JTextField(15);t1.setText("0,0");t2=new JTextField(15);t2.setText("0");b1=new JButton("=");b2=new JButton("C");cp.add(t1);//,BorderLayout.NORTH);cp.add(t2);//,BorderLayout.NORTH);cp.add(b1);//,BorderLayout.SOUTH);cp.add(b2);//,BorderLayout.SOUTH);cp.add((new JLabel("*GMB Super Adder*")));b1.addActionListener(this);b2.addActionListener(this);

}

public void actionPerformed(ActionEvent ae){

if(ae.getActionCommand().equalsIgnoreCase("=")){

n1=(t1.getText().split(",")); //n2=Double.parseDouble(t3.getText());n2=0;for(int i=0;i<n1.length;i++)

n2+=(Double.parseDouble(n1[i]));t2.setText(""+(n2/n1.length));

}else if(ae.getActionCommand().equalsIgnoreCase("C")){

t1.setText("0");t2.setText("0");

} }



public static void main(String[] ss){ new Avg().setVisible(true);

} }

Output:

Result:

Thus the above swing program is executed successfully.



Ex.No.13

Aim:

To implement DTD for an XML Document

Code:

DTD:

<!ELEMENT mydoc (gmb)+>

<!ELEMENT gmb (vp,ls)>

<!ELEMENT vp (#PCDATA)>

<!ELEMENT ls (#PCDATA)>

XML:

<?xml version="1.0"?>

<?xml-stylesheet type="text/xsl" href="a.xsl"?>

<!DOCTYPE mydoc SYSTEM "a.dtd">

<mydoc>

<gmb>

<vp>12345</vp>

<ls>abcdefg</ls>

</gmb>

<gmb>

<vp>m</vp>

<ls>t</ls>

</gmb>

<gmb>

<vp>b</vp>

<ls>a</ls>

</gmb>

</mydoc>



XSLT:

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

<xsl:output method="html"/>

<xsl:template match="mydoc">

<html> <body fgcolor="pink">

<font size="15" face="Tahoma">

<table border="2">

<xsl:for-each select="gmb">

<tr><td style='color:#ff0f0f'>1.</td>

<td style='color:pink'><xsl:value-of select="vp" ></xsl:value-of><br/></td>

</tr> <tr>

<td style='color:#ff00ff'>2.</td>

<td style='color:red'><xsl:value-of select="ls" ></xsl:value-of><br/></td>

</tr> </xsl:for-each>

</table> </font> </body>

</html>

</xsl:template>

</xsl:stylesheet>

Output:

1. 12345

2. abcdefg

1. m

2. t

1. b

2. a

Result:

Thus the above XML program is executed successfully.



Ex.No.13

Aim:

To implement DTD for an XML Document with Style Sheet Definition

Code:

XML:

<?xml version="1.0"?>

<?xml-stylesheet type="text/xsl" href="b.xsl"?>

<!DOCTYPE mydoc SYSTEM "b.dtd">

<mydoc>

<gmb>

<vp>

<age>12</age>

<dab>34</dab>

</vp>

<ls>vprakash</ls>

</gmb>

<gmb>

<vp>

<age>12</age>

<dab>34</dab>

</vp>

<ls>gmbaktha</ls>

</gmb>

<gmb>

<vp>

<age>12</age>

<dab>34</dab>

</vp>

<ls>SuperStar</ls>

</gmb>



</mydoc>

DTD:

<!ELEMENT mydoc (gmb)+>

<!ELEMENT gmb (vp,ls)>

<!ELEMENT vp (age,dab)>

<!ELEMENT age (#PCDATA)>

<!ELEMENT dab (#PCDATA)>

<!ELEMENT ls (#PCDATA)>

XSLT:

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

<xsl:output method="html"/>

<xsl:template match="mydoc">

<html>

<body fgcolor="pink">

<font size="15" face="Tahoma">

<table border="2">

<xsl:for-each select="gmb">

<xsl:for-each select="vp">

<tr><td style='color:aqua'>1.</td>

<td style='color:pink'><xsl:value-of select="age" ></xsl:value-of><br/></td>

<td style='color:blue'><xsl:value-of select="dab" ></xsl:value-of><br/></td>

</tr>

</xsl:for-each>

<tr>

<td style='color:green'>2.</td>

<td style='color:red'><xsl:value-of select="ls" ></xsl:value-of><br/></td>

</tr>

</xsl:for-each>



</table>

</font>

</body>

</html>

</xsl:template>

</xsl:stylesheet>

Output:

1. 12 34

2. vprakash

1. 12 34

2. gmbaktha

1. 12 34

2. SuperStar

Result:

Thus the above XML program is executed successfully.

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