control.in.acion

package conrol.in.action;

import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class ControlInAction {

    public static void main(String[] args) {
        ABC j = new ABC();
        j.setVisible(true);
        j.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        j.setBounds(400, 300, 500, 500);
        j.setTitle("Java SWING Examples");
    }

}

class ABC extends JFrame {

    private Container c;
    private JLabel j1, j2;
    private JTextField tf1;
    private JButton b1, b2, b3;

    ABC() {

        c = this.getContentPane();
        c.setLayout(null);
        c.setBackground(Color.WHITE);

        j1 = new JLabel("Control in action in JButton");
        j1.setBounds(150, 50, 200, 50);
        c.add(j1);

        tf1 = new JTextField();
        tf1.setBounds(150, 300, 150, 20);
        c.add(tf1);

        b1 = new JButton("OK");
        b1.setBounds(100, 150, 60, 20);
        c.add(b1);

        b2 = new JButton("Submit");
        b2.setBounds(170, 150, 90, 20);
        c.add(b2);

        b3 = new JButton("Cancle");
        b3.setBounds(280, 150, 80, 20);
        c.add(b3);

        Handler h = new Handler();

        b1.addActionListener(h);
        b2.addActionListener(h);
        b3.addActionListener(h);

    }

    class Handler implements ActionListener {

        @Override
        public void actionPerformed(ActionEvent e) {

            if (e.getSource() == b1) {
                tf1.setText("OK button clicked");
            } else if (e.getSource() == b2) {
                tf1.setText("Submit button clicked");
            } else if (e.getSource() == b3) {
                tf1.setText("Cancle button clicked");
            }

        }

    }

}