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adder.java
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adder.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class adder implements ActionListener{
JFrame f;
JTextField t1,t2,t3;
JButton b1,b2;
adder(){
f = new JFrame("ADDER APP");
t1 = new JTextField();
t2 = new JTextField();
t3 = new JTextField();
t1.setEditable(true);
t2.setEditable(true);
t3.setEditable(false);
b1 = new JButton("ADD");
b2 = new JButton("CLEAR");
b1.addActionListener(this);
b2.addActionListener(this);
f.add(t1);
f.add(t2);
f.add(t3);
f.add(b1);
f.add(b2);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setSize(300,500);
f.setLayout(new GridLayout(5,1));
f.setVisible(true);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==b1)
{
int a = Integer.parseInt(t1.getText());
int b = Integer.parseInt(t2.getText());
int result = a + b;
t3.setText(result+"");
}
if(e.getSource()==b2)
{
t1.setText("");
t2.setText("");
t3.setText("");
}
}
public static void main(String[]args){
new adder();
}
}