// MnemonicLabels.java
//
import javax.swing.*;
import java.awt.*;
// Shows how displayedMnemonic and labelFor PRoperties work together
public class MnemonicLabels ...{
public static void main(String[] args) ...{
JTextField firstField = new JTextField(10);
JTextField middleField = new JTextField(10);
JTextField lastField = new JTextField(10);
// Create labels and mnemonics.
JLabel firstLabel = new JLabel("First Name", JLabel.RIGHT);
firstLabel.setDisplayedMnemonic('F');
firstLabel.setLabelFor(firstField);
JLabel middleLabel = new JLabel("Middle Initial", JLabel.RIGHT);
middleLabel.setDisplayedMnemonic('I');
middleLabel.setDisplayedMnemonicIndex(7); // Requires 1.4
middleLabel.setLabelFor(middleField);
JLabel lastLabel = new JLabel("Last Name", JLabel.RIGHT);
lastLabel.setDisplayedMnemonic('L');
lastLabel.setLabelFor(lastField);
// Layout and display
JPanel p = new JPanel( );
p.setLayout(new GridLayout(3, 2, 5, 5));
p.add(firstLabel);
p.add(firstField);
p.add(middleLabel);
p.add(middleField);
p.add(lastLabel);
p.add(lastField);
JFrame f = new JFrame("MnemonicLabels");
f.setDefaultCloSEOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(p);
f.pack( );
f.setVisible(true);
}
}新聞熱點
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