1.D
2.A
3.C
4.B
5.B
6.D
7.C
8.B
9.A
10.A
11.C
12.A
13.C
14.C
15.A
单击出现你好的我倒还知道点package example
import java.awt.BorderLayout
public class Switch extends JFrame {
private JPanel contentPane
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Switch frame = new Switch()
frame.setVisible(true)
} catch (Exception e) {
e.printStackTrace()
}
}
})
}
/**
* Create the frame.
*/
public Switch() {
final String string = "你好"
final String string2 = "再见"
setTitle("\u5207\u6362\u6807\u7B7E\u5185\u5BB9")
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)
setBounds(100, 100, 450, 300)
contentPane = new JPanel()
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5))
setContentPane(contentPane)
final JLabel label = new JLabel(string)
label.setFont(new Font("宋体",Font.BOLD,25))
JButton button = new JButton("\u786E\u5B9A")
button.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if (label.getText().equals(string)) {
label.setText(string2)
}
else if (label.getText().equals(string2)) {
label.setText(string)
}
}
})
GroupLayout groupLayout = new GroupLayout(contentPane)
groupLayout.setHorizontalGroup(
groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addGap(153, 153, 153)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(button)
.addComponent(label))
.addContainerGap(222, Short.MAX_VALUE))
)
groupLayout.setVerticalGroup(
groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addGap(80, 80, 80)
.addComponent(label)
.addGap(38, 38, 38)
.addComponent(button)
.addContainerGap(100, Short.MAX_VALUE))
)
contentPane.setLayout(groupLayout)
}
}
