Hi Friend,

Try the following code:

import java.io.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;

class AddAndDeleteInformation extends JFrame {
JButton add,delete,save,remove;
JTextField t1,t2,t3,t4,t5;
JLabel l1,l2,l3,l4,l5;
JPanel panel;

AddAndDeleteInformation(){
add=new JButton("Add Information");
delete=new JButton("Delete Information");
save=new JButton("Add");
remove=new JButton("Delete");
t1=new JTextField(20);
t2=new JTextField(20);
t3=new JTextField(20);
t4=new JTextField(20);
t5=new JTextField(20);
l1=new JLabel("Name");
l2=new JLabel("Address");
l3=new JLabel("Contact No");
l4=new JLabel("Email");
l5=new JLabel("Enter Name");
panel=new JPanel(new GridLayout(7,2));
panel.add(add);
panel.add(delete);
panel.add(l1);
panel.add(t1);
panel.add(l2);
panel.add(t2);
panel.add(l3);
panel.add(t3);
panel.add(l4);
panel.add(t4);
panel.add(l5);
panel.add(t5);
panel.add(remove);
panel.add(save);
l1.setVisible(false);
t1.setVisible(false);
l2.setVisible(false);
t2.setVisible(false);
l3.setVisible(false);
t3.setVisible(false);
l4.setVisible(false);
t4.setVisible(false);
l5.setVisible(false);
t5.setVisible(false);
save.setVisible(false);
remove.setVisible(false);
add(panel);
setVisible(true);
pack();

continue..

add.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae){
l1.setVisible(true);
t1.setVisible(true);
l2.setVisible(true);
t2.setVisible(true);
l3.setVisible(true);
t3.setVisible(true);
l4.setVisible(true);
t4.setVisible(true);
l5.setVisible(false);
t5.setVisible(false);
save.setVisible(true);
remove.setVisible(false);
add.setVisible(true);
delete.setVisible(true);
}
});
delete.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae){
l1.setVisible(false);
t1.setVisible(false);
l2.setVisible(false);
t2.setVisible(false);
l3.setVisible(false);
t3.setVisible(false);
l4.setVisible(false);
t4.setVisible(false);
l5.setVisible(true);
t5.setVisible(true);
save.setVisible(false);
remove.setVisible(true);
add.setVisible(true);
delete.setVisible(true);
}});
save.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae){
String value1=t1.getText();
String value2=t2.getText();
String value3=t3.getText();
String value4=t4.getText();
try{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/register";, "root", "root");
PreparedStatement st=con.prepareStatement("insert into person(name,address,phoneNo,email) values(?,?,?,?)");
st.setString(1,value1);
st.setString(2,value2);
st.setString(3,value3);
st.setString(4,value4);
st.executeUpdate();
JOptionPane.showMessageDialog(null,"Data is successfully inserted into database.");
con.close();
}
catch(Exception e){
JOptionPane.showMessageDialog(null,"Error in submitting data!");
}
}
});
remove.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae){
String value=t5.getText();
try{
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/register";, "root", "root");
PreparedStatement pst=con.prepareStatement("DELETE FROM person WHERE name = ?");
pst.setString(1,value);
pst.executeUpdate();
JOptionPane.showMessageDialog(null,"Record is deleted successfully.");
con.close();
}
catch(Exception exp3){
JOptionPane.showMessageDialog(null,"Error in deleting record.");
}
}
});
}
public static void main(String args[]){
AddAndDeleteInformation pro=new AddAndDeleteInformation();
}
}

Thanks