JFrame: setDefaultButton(JButton defaultButton)

  

import java.awt.GridLayout;
import java.awt.event.KeyEvent;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JRootPane;

public class MainClass {

  public static void main(String[] a) {
    JFrame frame = new JFrame("DefaultButton");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.setLayout(new GridLayout(2, 2, 10, 10));

    JButton button1 = new JButton("Text Button");
    button1.setMnemonic(KeyEvent.VK_B);
    frame.add(button1);

    JButton button2 = new JButton("warn");
    frame.add(button2);

    JButton button3 = new JButton("Warning");
    frame.add(button3);

    String htmlButton = "<html><sup>HTML</sup> <sub><em>Button</em></sub><br>"
        + "<font color=\"#FF0080\"><u>Multi-line</u></font>";
    JButton button4 = new JButton(htmlButton);
    frame.add(button4);

    JRootPane rootPane = frame.getRootPane();
    rootPane.setDefaultButton(button2);

    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}

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16.	JFrame: processWindowEvent(WindowEvent e)
17.	JFrame: setAlwaysOnTop(boolean alwaysOnTop)
18.	JFrame: setBackground(Color c)
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21.	JFrame: setDefaultCloseOperation(int option)
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25.	JFrame: setFocusableWindowState(boolean focusableWindowState)
26.	JFrame: setFocusTraversalPolicy(FocusTraversalPolicy lo)
27.	JFrame: setIconImage(Image image)
28.	JFrame: setJMenuBar(JMenuBar bar)
29.	JFrame: setLocation(int x, int y)
30.	JFrame: setLocationByPlatform(boolean locationByPlatform)
31.	JFrame: setLocationRelativeTo(Component c)
32.	JFrame: setMaximizedBounds(Rectangle bounds)
33.	JFrame: setSize(int width, int height)
34.	JFrame: setTitle(String title)
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JFrame: setDefaultButton(JButton defaultButton) : JFrame « javax.swing « Java by API

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