CAlci.txt

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
//suraj
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;

public class Calci extends JFrame implements ActionListener {
	//sueaj
	JLabel l1,l2,l3,l4;
	JTextField t1,t2;
	JButton b1,b2;
	
	Calci()
	{
		l1=new JLabel("Calculator");
		l2=new JLabel("First Number");
		l3=new JLabel("Second Number");
		l4=new JLabel();
		t1=new JTextField();
		t2=new JTextField();
		b1=new JButton("ADD");
		b2=new JButton("SUB");
		
		l1.setBounds(300,50,500,60);
		l2.setBounds(80,150,300,60);
		l3.setBounds(80,250,300,60);
		l4.setBounds(200,400,300,60);
		t1.setBounds(450,150,300,60);
		t2.setBounds(450,250,300,60);
		b1.setBounds(100,450,200,60);
		b2.setBounds(200,450,200,60);
		add(l1);add(l2);add(l3);add(l4);
		add(t1);add(t2);add(b1);add(b2);
		setTitle("Calculator");
		setVisible(true);
		setLayout(null);
		b1.addActionListener(this);
		b2.addActionListener(this);
	}

	@Override
	public void actionPerformed(ActionEvent ae) {
		// TODO Auto-generated method stub

		int n1=Integer.parseInt(t1.getText());
		int n2=Integer.parseInt(t2.getText());
		
		String s=ae.getActionCommand();
		if(s.equals("ADD"))
		{
			int ans=n1+n2;
			l4.setText("Result = "+ans);
		}
		else
		{
			int sub=n1-n2;
			l4.setText("Result = "+sub);
		}
			
		
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Calci ob=new Calci();

	}

}