?? swingapp1.java
字號(hào):
/*
* This is a 1.3 version (thanks to JFrame.EXIT_ON_CLOSE)
* but could easily be converted to work in earlier releases.
* There are many valid ways to implement the exercise.
*/
import javax.swing.*;
import java.awt.*;
public class SwingApp1 {
JButton startButton, stopButton;
JLabel label;
public SwingApp1() {
JFrame f = new JFrame("SwingApp1");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //1.3+
createGUI(f);
f.pack();
f.setVisible(true);
}
void createGUI(JFrame f) {
startButton = new JButton("Start");
stopButton = new JButton("Stop");
label = new JLabel("Press Start.", JLabel.CENTER);
Container c = f.getContentPane();
//Use the content pane's default BorderLayout layout manager.
c.add(startButton, BorderLayout.WEST);
c.add(stopButton, BorderLayout.EAST);
c.add(label, BorderLayout.SOUTH);
}
public static void main(String[] args) {
new SwingApp1();
}
}
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