import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Main {
public static void main(String[] args) {
JCheckBox a = new JCheckBox("A");
a.setSelected(true);
a.setMnemonic(KeyEvent.VK_A);
JCheckBox b = new JCheckBox("B");
JCheckBox c = new JCheckBox("C");
JCheckBox d = new JCheckBox("D");
JFrame frame = new JFrame();
frame.setLayout(new FlowLayout());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new JLabel("Car Features"));
frame.add(a);
frame.add(b);
frame.add(c);
frame.add(d);
frame.pack();
frame.setVisible(true);
}
}
【jcheckbox】
