📄 frame1.java
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package lx4_2;
import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Panel;
import java.awt.*;
public class Frame1 extends JFrame {
JPanel contentPane;
BorderLayout borderLayout1 = new BorderLayout();
Panel panel1 = new Panel();
Button button1 = new Button();
Button button2 = new Button();
Button button3 = new Button();
public Frame1() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
/**
* Component initialization.
*
* @throws java.lang.Exception
*/
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(borderLayout1);
setSize(new Dimension(400, 300));
setTitle("Frame Title");
button1.setLabel("button1");
button2.setLabel("button2");
button3.setLabel("button3");
panel1.setBackground(Color.yellow);
panel1.add(button1);
panel1.add(button2);
panel1.add(button3);
contentPane.add(panel1, java.awt.BorderLayout.SOUTH);
}
}
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