experiment 10 · 2016. 2. 29. · catch(exception e) {system.out.println(e);}}} c:\program...

$: Experiment 10 · 2016. 2. 29. · catch(Exception e) {System.out.println(e);}}} C:\Program Files\Java\jdk1.5.0\bin>javac StudentTable.java C:\Program Files\Java\jdk1.5.0\bin>java$
Experiment 10

1)

import java.sql.*;

class connectiontest

{

public static void main(String args[])

{

try

{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

System.out.println("Driver loaded");

Connection con =DriverManager.getConnection("jdbc:odbc:xyz1");

System.out.println("connection to database created");

}

catch(SQLException e)

{

System.out.println("SQL error");

}

catch(Exception e){

System.out.println("errror");

}

}

}

2) import java.sql.*;

import java.io.*;

public class StudentTable

Advanced Java Programming by Mr. Harish E.Khodke

01

{


{

try

{

String sql;

ResultSet results;

//a) Connection To A Database


System.out.println("Driver Loaded");

String URL = "jdbc:odbc:abc";

Connection con = DriverManager.getConnection(URL);

System.out.println("Connection to database created.");

Statement state = con.createStatement();

System.out.println("Statement Object Created.");

sql = "insert into Table1 values(6, 'XYZ')";

state.executeUpdate(sql);

System.out.println("Entry Inserted.");

//results.close();

state.close();

con.close();

}

catch(Exception e)

{

System.out.println(e);

}

}


}

2)

import java.sql.*;

import java.io.*;

public class StudentTable

{


{

try

{

String sql;

//ResultSet results;










ResultSet results = state.executeQuery("select * from Table1");

//sql = "select * from Table1";

//state.executeUpdate(sql);

//System.out.println("Entry Inserted.");

String text = "" ;

while(results.next())

{

text += results.getInt(1) + "\t" + results.getString(2)+ "\n";

}

System.out.println("\nROLL\tNAME");

System.out.println(text);

//results.close();

state.close();

con.close();

}


catch(Exception e)

{


}

}

}

C:\Program Files\Java\jdk1.5.0\bin>javac StudentTable.java

C:\Program Files\Java\jdk1.5.0\bin>java StudentTable

Driver Loaded

Connection to database created.

Statement Object Created.

ROLL NAME

1 hek

6 XYZ

2 ahk


import java.io.*;

public class StudentTable1

{


{

try

{


String sql;

ResultSet results;








//ResultSet results = state.executeQuery( "update Table1 set name = 'John' where rollno = 2");

sql = "update Table1 set name = 'John' where rollno = 2";


System.out.println("Entry Updated.");

//results.close();

state.close();

con.close();

}

catch(Exception e)

{


}

}


}

4)

import java.sql.*;

import java.io.*;


{


{

try

{

String sql;

ResultSet results;










sql = "delete * from Table1 where rollno = 4";


System.out.println("Entry Deleted.");

//results.close();

state.close();

con.close();

}

catch(Exception e)

{


}

}

}


5)

import java.sql.*;

import java.io.*;


{


{

try

{

String sql;

ResultSet results;









sql = "select rollno, name from Table1";

results = state.executeQuery(sql);

String text = "" ;


{

text += results.getInt(1) + "\t" + results.getString(2) + "\n";

}

System.out.println("\nROLL\tNAME");



results.close();

state.close();

con.close();

}

catch(Exception e)

{


}

}

}


Experi.8

import java.awt.*;

import javax.swing.*;

public class URL_GUI extends JFrame

{

Container cn=getContentPane();


public URL_GUI()

{

BorderLayout b1=new BorderLayout();

setLayout(b1);

JTextArea tx=new JTextArea("This is for viewing on html");

cn.add(tx,BorderLayout.CENTER);

}


{

URL_GUI ug=new URL_GUI();

ug.setTitle("Frame for url");

ug.setSize(100,200);

ug.setVisible(true);

}

}

10.

import java.sql.*;

import java.io.*;

public class Database_delete

{


{

try

{


Connection con=DriverManager.getConnection("jdbc:odbc:tycm");


String qry="Delete from studtable where rollno=12";

Statement st=con.createStatement();

st.executeUpdate(qry);

System.out.println("Record delted sucess");

con.close();

}

catch(ClassNotFoundException e)

{

e.printStackTrace();

}

catch(SQLException es)

{

es.printStackTrace();

}

}

}

10.

import java.sql.*;

import java.io.*;

public class Database_estblish

{


{

try

{



Connection con=DriverManager.getConnection("jdbc:odbc:tycm");

PreparedStatement pst=con.prepareStatement("Select * from stud");

ResultSet rs=pst.executeQuery();

System.out.println("connection estab");

rs.next();

System.out.println("roll" +rs.getInt(1));

System.out.println("name" +rs.getString(2));

con.close();

}

catch(ClassNotFoundException e)

{

e.printStackTrace();

}

catch(SQLException es)

{

es.printStackTrace();

}

}

}

Experiment 11


public class EmployeeTableUpdate

{


{

try


{

String sql;

ResultSet results;

PreparedStatement state;

String text;

//a) Establish Connection To Database.






//results.close();

//state.close();

con.close();

}

catch(Exception e)

{


}

}

}



public class EmployeeTableUpdate1

{


{

try

{

String sql;

ResultSet results;


String text;







sql = "insert into Table1 values(?, ?)";

state = con.prepareStatement(sql);

state.setInt(1, 21);

state.setString(2, "XYZ");

state.executeUpdate();

System.out.println("\nRecord Inserted.");

//results.close();

state.close();

con.close();

}

catch(Exception e)

{


}

}

}


3)

import java.sql.*;


{


{

try

{

String sql;

ResultSet results;



String text;







sql = "select * from Table1 where name = ?";


state.setString(1, "Ramesh");

results = state.executeQuery();

text = "" ;


{


}

System.out.println("\nEntries Related To Ramesh.");

System.out.println("NAME\tAGE");


results.close();

state.close();

con.close();

}

catch(Exception e)

{


}


}

}

4)

import java.sql.*;


{


{

try

{

String sql;

ResultSet results;



String text;







sql = "delete * from Table1 where name = ?";


state.setString(1, "ABC");

state.executeUpdate();

System.out.println("\nEntry Deleted.");

System.out.println("\nContents Of Database :");

sql = "select * from Table1";


results = state.executeQuery();

text = "" ;


{


}

System.out.println("NAME\tAGE");


results.close();

state.close();

con.close();


}

catch(Exception e)

{


}

}

}

Experiment 09

9) //server

import java.io.*;

import java.net.*;

public class Server


{

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

{

int clientport = 999;

int serverport = 998;

int buffer = 1024;

DatagramSocket ds = new DatagramSocket(serverport);

byte NameByte[] = new byte[buffer];

DatagramPacket p = new DatagramPacket(NameByte, NameByte.length);

ds.receive(p);

String receive = new String(p.getData(), 0, p.getLength());

System.out.println("From Client : " + receive);

String send = "Hello " + receive;

NameByte = send.getBytes();

DatagramPacket p2 = new DatagramPacket(NameByte, NameByte.length, InetAddress.getLocalHost(), clientport);

ds.send(p2);

System.out.println("Sending To The Client : " + send);

ds.close();

}

}

//client

import java.io.*;

import java.net.*;

public class Client

{

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

{


int clientport = 999;

int serverport = 998;

int buffer = 1024;

DatagramSocket ds = new DatagramSocket(clientport);

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

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

String Name = br.readLine();

byte NameByte[] = new byte[buffer];

NameByte = Name.getBytes();

DatagramPacket p = new DatagramPacket(NameByte, NameByte.length,InetAddress.getLocalHost(), serverport);

ds.send(p);

System.out.println("Name Sent To Server.");

byte NameByte2[] = new byte[buffer];

DatagramPacket p2 = new DatagramPacket(NameByte2, NameByte2.length);

ds.receive(p2);

String receive = new String(p2.getData(), 0, p2.getLength());

System.out.println("From Server : " + receive);

ds.close();

}

}


experiment 10 · 2016. 2. 29. · catch(exception e) {system.out.println(e);}}} c:\program...

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