README.md

Description

Learn swing basic and double button listener (easy way)

More Info

Submitted On
By	J-f Mitchell
Level	Beginner
User Rating	4.8 (19 globes from 4 users)
Compatibility	Java (JDK 1.1), Java (JDK 1.2)
Category	Controls/ Forms/ Graphics/ Menus
World	Java
Archive File

Source Code

// Copyright J-f Mitchell, this litle peace of code is a great
// tutorial for swing begigner.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JavaApp {
	JFrame frame1;
	JButton command1;
	JTextField text1; //Declaring variables in class to able to use it in the whole class.
	JPanel panel1;
	JButton command2;
	public JavaApp() {
		frame1 = new JFrame("Put your title here"); //Main frame
	frame1.setSize(50, 50);
		command1 = new JButton("Button 1"); // creating control from declared variable in the class
		text1 = new JTextField(20);
		panel1 = new JPanel();
		command2 = new JButton("Button 2");
			command1.setMnemonic(KeyEvent.VK_I); //This is an event listener without the implements in the class, I like this method!
    command1.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
    text1.setText("Button 1!");
      }
    });
				command2.setMnemonic(KeyEvent.VK_I); // listener for the second button
    command2.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
    text1.setText("Button 2!");
      }
    });
		panel1.setLayout(new FlowLayout());
		panel1.add(text1);
		panel1.add(command1); //adding components to pane, you need this to be able to see ure component,
		panel1.add(command2);
		frame1.getContentPane().add(panel1, BorderLayout.CENTER); //add my pane to my frame
    // Exit when the window is closed.
    frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	// show the frame!
	frame1.pack();
	frame1.setVisible(true);
}
 public static void main(String[] args) {
	// set the look and feel
	try {
	  UIManager.setLookAndFeel(
		UIManager.getCrossPlatformLookAndFeelClassName()); //getting the java swing look
	} catch(Exception e) {}
	JavaApp javaapp = new JavaApp(); // tell the program to show up the frame by calling my GUI function
  }
}