Termwork of Java

7/27/2019 Termwork of Java

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Q.1 Write an application program to

insert a record in database

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.util.*;

import java.sql.*;

public class J1 extends JFrame implements ActionListener

{

Container cp;

JTextField t1;

JTextField t2;

JTextField t3;

JTextField t4;

JLabel l1;

JLabel l2;

JLabel l3;

JLabel l4;

JButton b1;

JButton b2;

JButton b3;


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J1()

{

cp=getContentPane();

cp.setLayout(null);

l1=new JLabel("Enter Code");

l1.setBounds(50,50,150,30);

t1=new JTextField();

t1.setBounds(200,50,200,30);

l2=new JLabel("Enter Employee Name");

l2.setBounds(50,100,150,30);


t2.setBounds(200,100,200,30);

l3=new JLabel("Enter Employee Designation");

l3.setBounds(50,150,150,30);


t3.setBounds(200,150,200,30);

l4=new JLabel("Enter Salary");

l4.setBounds(50,200,150,30);


t4.setBounds(200,200,200,30);

b1=new JButton("Save");


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b1.setBounds(50,300,100,30);

b1.addActionListener(this);

b2=new JButton("Reset");

b2.setBounds(170,300,100,30);


b3=new JButton("Cancel");

b3.setBounds(300,300,100,30);


cp.add(l1);

cp.add(t1);

cp.add(l2);

cp.add(t2);

cp.add(l3);

cp.add(t3);

cp.add(l4);

cp.add(t4);

cp.add(b1);

cp.add(b2);

cp.add(b3);

cp.setVisible(true);

cp.setSize(500,700);

}


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public void actionPerformed(ActionEvent e)

{

if(e.getSource()==b1)

{

String s1=null,s2=null,s3=null,s4=null;

int a1=0,a2=0;

s1=t1.getText();

s2=t2.getText();

s3=t3.getText();

s4=t4.getText();

a1=Integer.parseInt(s1);


try

{

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

Connection c=DriverManager.getConnection("Jdbc:Odbc:emp");

Statement s=c.createStatement();

int a=0;

a=s.executeUpdate("insert into empinfo values(" +a1+ ",'" +s2+ "','" +s3+ "',"+a2+");");

if(a>0)

JOptionPane.showMessageDialog(this,"data successfully

saved","Message",JOptionPane.PLAIN_MESSAGE);

else

JOptionPane.showMessageDialog(this,"!Error..","Warning",JOptionPane.PLAIN_MESSAGE);


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s.close();

c.close();

}

catch(Exception e1)

{

System.out.println(e1.getMessage());

}

}//end if b1


{

t1.setText("");

t2.setText("");

t3.setText("");

t4.setText("");

}


{

System.exit(0);

}

}

public static void main(String...l)throws Exception

{

J1 j=new J1();

j.setVisible(true);


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j.setSize(700,700);

}}

Output:


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Q.2 Write an application program to search,edit and update record in database


import java.awt.*;


import java.util.*;

import java.sql.*;


{

Container cp;

JTextField t1;

JTextField t2;

JTextField t3;

JTextField t4;

JLabel l1;

JLabel l2;

JLabel l3;

JLabel l4;

JButton b1;

JButton b2;

JButton b3;

JButton b4;


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JButton b5;

J2()

{


cp.setLayout(null);

l1=new JLabel("Enter Code");

l1.setBounds(50,50,150,30);


t1.setBounds(200,50,200,30);

l2=new JLabel("Enter Employee Name");

l2.setBounds(50,100,150,30);


t2.setBounds(200,100,200,30);

l3=new JLabel("Enter Employee Designation");

l3.setBounds(50,150,150,30);


t3.setBounds(200,150,200,30);


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l4=new JLabel("Enter Saaaalary");

l4.setBounds(50,200,150,30);


t4.setBounds(200,200,200,30);

b1=new JButton("Search");

b1.setBounds(20,300,90,30);


b2=new JButton("reset");

b2.setBounds(120,300,90,30);


b3=new JButton("delete");

b3.setBounds(220,300,90,30);


b4=new JButton("update");

b4.setBounds(320,300,90,30);


b5=new JButton("exit");

b5.setBounds(420,300,90,30);


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cp.add(l1);

cp.add(t1);

cp.add(l2);

cp.add(t2);

cp.add(l3);

cp.add(t3);

cp.add(l4);

cp.add(t4);

cp.add(b1);

cp.add(b2);

cp.add(b3);

cp.add(b4);

cp.add(b5);



}

public void actionPerformed(ActionEvent e)

{


int a1=0,a2=0;


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try

{


Connection c=DriverManager.getConnection("Jdbc:Odbc:emp");

Statement s=c.createStatement();

ResultSet rs;


{

s1=t1.getText();


rs=s.executeQuery("select * from empinfo where eid="+a1+";");

rs.next();

t2.setText(rs.getString(2));



}


{

s1=t1.getText();


int a=s.executeUpdate("delete from empinfo where eid="+a1+";");

if(a>0)


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JOptionPane.showMessageDialog(this,"Record successfully

Deleted","Message",JOptionPane.PLAIN_MESSAGE);

t1.setText("");

t2.setText("");

t3.setText("");

t4.setText("");

}


{

t1.setText("");

t2.setText("");

t3.setText("");

t4.setText("");

}


{

s1=t1.getText();

s2=t2.getText();

s3=t3.getText();

s4=t4.getText();



int a=0;

a=s.executeUpdate("update empinfo set ename='" +s2+ "',edesig='" +s3+ "',esalary="+a2+"

where eid="+a1+";");


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if(a>0)

JOptionPane.showMessageDialog(this,"data successfully

saved","Message",JOptionPane.PLAIN_MESSAGE);

else

JOptionPane.showMessageDialog(this,"!Error..","Warning",JOptionPane.PLAIN_MESSAGE);

s.close();

c.close();

}//end if b1


{

System.exit(0);

}

}//end try

catch(Exception e1)

{

System.out.println(e1.getMessage());

}

}

public static void main(String...l)throws Exception

{

J2 j=new J2();

j.setVisible(true);

j.setSize(700,700);


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}

}

Output:


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Q.3 Write an application program to traverse records of a table


import java.awt.*;


import java.sql.*;

import java.util.*;

import java.sql.*;


{

int lastrow;

ResultSet rs=null;

Statement s=null;

Connection c=null;

Container cp;

JTextField t1;

JTextField t2;


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JTextField t3;

JTextField t4;

JLabel l1;

JLabel l2;

JLabel l3;

JLabel l4;

JButton b1;

JButton b2;

JButton b3;

JButton b4;

JButton b5;

J3()

{


cp.setLayout(null);

l1=new JLabel("Emp Code");

l1.setBounds(50,50,150,30);


t1.setBounds(200,50,200,30);


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l2=new JLabel("Employee Name");

l2.setBounds(50,100,150,30);


t2.setBounds(200,100,200,30);

l3=new JLabel(" Employee Designation");

l3.setBounds(50,150,150,30);


t3.setBounds(200,150,200,30);

l4=new JLabel("Emp Salary");

l4.setBounds(50,200,150,30);


t4.setBounds(200,200,200,30);

b1=new JButton("First");

b1.setBounds(20,300,90,30);


b2=new JButton("Last");

b2.setBounds(120,300,90,30);


b3=new JButton("Prev.");

b3.setBounds(220,300,90,30);


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b4=new JButton("Next.");

b4.setBounds(320,300,90,30);


b5=new JButton("exit");

b5.setBounds(420,300,90,30);


cp.add(l1);

cp.add(t1);

cp.add(l2);

cp.add(t2);

cp.add(l3);

cp.add(t3);

cp.add(l4);

cp.add(t4);

cp.add(b1);

cp.add(b2);

cp.add(b3);

cp.add(b4);

cp.add(b5);



try


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{


c=DriverManager.getConnection("Jdbc:Odbc:emp");

s=c.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);

rs=s.executeQuery("select * from empinfo");

rs.last();

lastrow=rs.getRow();

}

catch(Exception e)

{

System.out.println(e.getMessage());

}

}

public void actionPerformed(ActionEvent e) {


int a1=0,a2=0;

try

{


{

rs.beforeFirst();

rs.next();




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}


{

rs.afterLast();

rs.previous();





}


{

rs.previous();

int getrow=rs.getRow();

if(getrow>0)

{





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}

}


{

int getrow=rs.getRow();

rs.next();

if(getrow


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Q.4 Write a program search a record of students who has palindrome names

import java.sql.*;

publicclass palindrome_name {publicstaticvoid main(String...args)

{Connection c=null;

Statement s=null;

ResultSet rs=null;try{Class.forName("com.mysql.jdbc.Driver");

c=DriverManager.getConnection("jdbc:mysql://localhost:3306/titu","root","password");

s=c.createStatement();rs=s.executeQuery("select name from student");while(rs.next()){

String s1=rs.getString("name");if(s1.equals(new StringBuffer(s1).reverse().toString()))

{

System.out.println(s1);}

}

}catch(Exception e){System.out.println(e.getMessage());}

}

}

Output:

nitin


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Q.5 Write a program to count number of records of a table

import java.sql.*;

publicclass rowcount {

publicstaticvoid main(String[] args) {Connection c;Statement smt=null;

ResultSet rs=null;

try

{Class.forName("com.mysql.jdbc.Driver");

c=DriverManager.getConnection("jdbc:mysql://localhost:3306/titu",

"root","password");

smt=c.createStatement();

rs=smt.executeQuery("select * from student");rs.last();int a=rs.getRow();System.out.println("number of rows are"+a);

}catch(Exception e){System.out.println(e.toString());}

}

}

Output:


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number of rows are 4

Q.6 Write a program to insert an image in the database

import java.sql.*;

import java.io.*;

class image_insert

{

public static void main(String[] args) {

Connection c=null;

PreparedStatement ps=null;

try

{

Class.forName("com.mysql.jdbc.Driver");

String url="jdbc:mysql://localhost:3306/titu";


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c=DriverManager.getConnection(url,"root","password");

File img=new File("D:/images/alert.gif");

FileInputStream fis=new FileInputStream(img);

ps=c.prepareStatement("insert into imagetable values(?,?)");

ps.setInt(1,1);

ps.setBinaryStream(2,(InputStream)fis, (int)(img.length()));

int a=ps.executeUpdate();

ps.close();

if(a>0)

System.out.println("update successful");

else

System.out.println("update unsuccessful");

}

catch(Exception e){System.out.println(e.toString());}

}


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}

Output:

update successful

Q.7 Write a program to retrieve an image from the database

import java.sql.*;

import java.io.*;

public class image_retrieval {


Connection c=null;

Statement s=null;

ResultSet rs=null;

OutputStream out=null;

try

{


String url="jdbc:mysql://localhost:3306/titu";


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c=DriverManager.getConnection(url,"root","password");

s=c.createStatement();

rs=s.executeQuery("select * from imagetable where id=1");

if(rs.next())

{

InputStream x=rs.getBinaryStream(2);

int size=x.available();

out=new FileOutputStream("C:/images/xyz.gif");

System.out.println(retrieved successfully);

byte bt[]=new byte[size];

x.read(bt);

out.write(bt);

out.close();

c.close();

}

}



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}

}

Output:

retrieved successfully

Q.8 Write a program to use IN and OUT parameters both.

/*

delimiter //

create procedure getname(IN rno Int,OUT sname varchar(20))

begin

select name into sname from student where rollno=rno;

end //

*/

import java.sql.CallableStatement;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.*;

public class in_out {


Connection c;


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CallableStatement cs=null;

ResultSet rs=null;

try

{



String str="{call getname(?,?)}";

cs=c.prepareCall(str);

cs.setInt(1,2);

cs.registerOutParameter(2,java.sql.Types.VARCHAR);

cs.execute();

String sname=cs.getString(2);

System.out.println(sname);

}


}

}

Output:

devesh


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Q.9 Write a program to use INOUT parameter.

/*

delimiter //

create procedure getsall(INOUT var int)

begin

select salary into var from empinfo where code=var;

end //

*/

//program of INOUT




import java.sql.*;

public class neww {


Connection c;



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try

{



String str="{call getsall(?)}";


cs.setInt(1,222);

cs.execute();

cs.registerOutParameter(1,java.sql.Types.INTEGER);

int salary=cs.getInt(1);

System.out.println("salary is "+salary);

}


}

}

Output:

salary is 30000


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Q.10 Write a program to fetch records in a ResultSet object with the help of

stored procedures.




import java.sql.*;

public class resultset_from_storedp {


Connection c;


ResultSet rs=null;

try

{




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String str="{call getresultt(?)}";


cs.setString(1,"atul");

rs=cs.executeQuery();

while(rs.next())

{

System.out.println(rs.getString(2));

}

}


}

}

Output:

atul


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Q.1Servlet First Program To Display A Message

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class HelloWorld extends HttpServlet {

public void doGet(HttpServletRequest request,

HttpServletResponse response)

throws IOException, ServletException

{

response.setContentType("text/html");

PrintWriter out = response.getWriter();

out.println("");

out.println("");

out.println("Hello World!");

out.println("");

out.println("");

out.println("Hello World!");

out.println("");

out.println("");

}

}


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Q2Servlets program accept the request and send the

output

HTML File Program

Calculator Program

Enter Item Name

Enter Item Price

Enter Item Qty


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Servlet Program

package myserpackage;

import java.io.IOException;

import java.io.*;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

publicclass Myservletprog extends HttpServlet

{

protectedvoiddoGet(HttpServletRequest rq, HttpServletResponse response)

throws ServletException, IOException

{

String str =rq.getParameter("str");

char ch;

int ln=str.length();

int i;

response.setContentType("text/html");

PrintWriter out = response.getWriter();


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Q4 Write a servlet program that display all the records

from the Database table after click on show button from

the html page

HTML Program

Program For Displaying Record

Display Record


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Servlet Program

package myserpackage;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.sql.*;

import java.io.*;

publicclass ShowRecord extends HttpServlet

{

publicvoiddoGet(HttpServletRequest rq, HttpServletResponse res)

throws ServletException,IOException

{

res.setContentType("text/html");

PrintWriter p=res.getWriter();

try{


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

Statement st=con.createStatement();

ResultSet rs;


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rs=st.executeQuery("Select * From table1");

p.println("");

p.println("");

p.println("");

p.print("Code");

p.println("NameDesignationSalary");

while (rs.next())

{

p.println("" + rs.getInt(1)+

"" + rs.getString(2)+

""+rs.getString(3)+

""+rs.getInt(4)+

"");

}

p.println("") ;

p.println("") ;

}//End of try

catch(ClassNotFoundException e)

{}

catch(SQLException T)

{}

}

}


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Q.5 Write a program to insert record into Database through Servlet

HTML Program

Enter Code

Enter Name

Enter Designation

Enter Salary


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Servlet Program

import java.sql.*;

import java.io.*;



public class Servletadd extends HttpServlet

{

public void doGet(HttpServletRequest rq, HttpServletResponse res)


{



int ecode=Integer.parseInt(rq.getParameter("cd"));

String ename=rq.getParameter("nm"));

String edesig=rq.getParameter("des"));

int esal=Integer.parseInt(rq.getParameter("sal"));

try{


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

PreparedStatement ps=con.prepareStatement("insert into table1 values(?,?,?,?)");


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Q.6 Write a program to Update record using servlet

HTML Program

Enter Code For Modification

Servlet Program6(1)Part

import java.sql.*;


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import java.io.*;



public class Servletmod extends HttpServlet

{



{



int mcode;

int rt;

try{



Statement stmt=con.createStatement();

String buff;

ResultSet rs;

mcode=Integer.parseInt(rq.getParameter("cd"));

rs=stmt.executeQuery("select * from table1 where code="+mcode);

int i=0;

while(rs.next())

{

i++;


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p.println("");

p.println("");

p.println("");

p.println("MODIFICATION FORM");

p.println("");

p.println("Code");

p.println("
");

p.println("Name");

p.println("
");

p.println("Designation");

p.println("
");

p.println("Salary");

p.println("
");

p.println("");

p.println("");

p.println("");

}

if(i==0)

{

p.println("");

p.println("");

p.println("");

p.println("Record Not Found");

p.println("");


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p.println("");

p.println("");

p.println("");

p.println("Record Not Updated");

p.println("");

}

}//End of try


{}


{}

}

}


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Q.7Write a program to Delete record using servlet

HTML Program

Enter Code For Deletion


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Servlet Program

import java.sql.*;

import java.io.*;



public class Servletdel extends HttpServlet

{



{



int mcode;

int rt;

try{



Statement stmt=con.createStatement();


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String buff;

ResultSet rs;

mcode=Integer.parseInt(rq.getParameter("cd"));

rs=stmt.executeQuery("select * from table1 where code="+mcode);

int i=0;

while(rs.next())

{

i++;

}

if(i>0)

{

buff="delete from table1 where code="+mcode;

rt=stmt.executeUpdate(buff);

}

if(i>0)

{

p.println("");

p.println("");

p.println("");

p.println("Record Deleted");

}

else

{

p.println("");

p.println("");


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p.println("");

p.println("Record Not Found");

}

p.println("");

}


{}


{}

}

}

Termwork of Java

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