Phone代码补全（老师布置的作业）怎么做啊？
// Phone.java
// Creates the cell phone GUI.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class Phone extends JFrame
{
private JLabel displayJLabel;
private JPanel numberJPanel;
private JButton oneJButton, twoJButton, threeJButton,
fourJButton, fiveJButton, sixJButton, sevenJButton,
eightJButton, nineJButton, starJButton, zeroJButton,
poundJButton, talkJButton, endJButton;
// no-argument constructor
public Phone()
{
createUserInterface();
}
// create and position GUI components
private void createUserInterface()
{
// get content pane and set its layout
Container contentPane = getContentPane();
contentPane.setLayout( null );
// set up displayJLabel
displayJLabel = new JLabel();
displayJLabel.setText( "Deitel Wireless" );
displayJLabel.setBounds( 10, 10, 170, 100 );
displayJLabel.setBorder( new LineBorder( Color.BLACK ) );
displayJLabel.setHorizontalAlignment( JLabel.CENTER );
displayJLabel.setBackground( Color.CYAN );
displayJLabel.setOpaque( true );
contentPane.add( displayJLabel );
// set up talkJButton
talkJButton = new JButton();
talkJButton.setText( "TALK" );
talkJButton.setBounds( 10, 120, 80, 30 );
contentPane.add( talkJButton );
// set up endJButton
endJButton = new JButton();
endJButton.setText( "END" );
endJButton.setBounds( 100, 120, 80, 30 );
contentPane.add( endJButton );
// set up numberJPanel
numberJPanel = new JPanel();
numberJPanel.setBounds( 10, 160, 60, 110 );
numberJPanel.setBorder( new LineBorder( Color.BLACK ) );
numberJPanel.setLayout( null );
contentPane.add( numberJPanel );
// set up oneJButton
oneJButton = new JButton();
oneJButton.setText( "1" );
oneJButton.setBounds( 5, 5, 50, 30 );
numberJPanel.add( oneJButton );
// set up twoJButton
twoJButton = new JButton();
twoJButton.setText( "2" );
twoJButton.setBounds( 5, 5, 50, 30 );
numberJPanel.add( twoJButton );
// set up threeJButton
threeJButton = new JButton();
threeJButton.setText( "3" );
threeJButton.setBounds( 5, 5, 50, 30 );
numberJPanel.add( threeJButton );
// set up fourJButton
fourJButton = new JButton();
fourJButton.setText( "4" );
fourJButton.setBounds( 5, 40, 50, 30 );
numberJPanel.add( fourJButton );
// set up fiveJButton
fiveJButton = new JButton();
fiveJButton.setText( "5" );
fiveJButton.setBounds( 5, 40, 50, 30 );
numberJPanel.add( fiveJButton );
// set up sixJButton
sixJButton = new JButton();
sixJButton.setText( "6" );
sixJButton.setBounds( 5, 40, 50, 30 );
numberJPanel.add( sixJButton );
// set up sevenJButton
sevenJButton = new JButton();
sevenJButton.setText( "7" );
sevenJButton.setBounds( 5, 75, 50, 30 );
numberJPanel.add( sevenJButton );
// set up eightJButton
eightJButton = new JButton();
eightJButton.setText( "8" );
eightJButton.setBounds( 5, 75, 50, 30 );
numberJPanel.add( eightJButton );
// set up nineJButton
nineJButton = new JButton();
nineJButton.setText( "9" );
nineJButton.setBounds( 5, 75, 50, 30 );
numberJPanel.add( nineJButton );
// set up starJButton
starJButton = new JButton();
starJButton.setText( "*" );
starJButton.setBounds( 5, 110, 50, 30 );
numberJPanel.add( starJButton );
// set up zeroJButton
zeroJButton = new JButton();
zeroJButton.setText( "0" );
zeroJButton.setBounds( 5, 110, 50, 30 );
numberJPanel.add( zeroJButton );
// set up poundJButton
poundJButton = new JButton();
poundJButton.setText( "#" );
poundJButton.setBounds( 5, 110, 50, 30 );
numberJPanel.add( poundJButton );
// set properties of application's window
setTitle( "Phone" ); // set title bar text
setSize( 198, 345 ); // set window size
setVisible( true ); // display window
} // end method createUserInterface
// main method
public static void main( String[] args )
{
Phone application = new Phone();
application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
} // end method main
} // end class Phone
应用 类 String components 布局
[解决办法]
估计是让你加监听时间，按钮1的已经实现了，其它的类似，补充下吧。
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class Phone
extends JFrame
{
private JLabel displayJLabel;
private JPanel numberJPanel;
private JButton oneJButton, twoJButton, threeJButton, fourJButton, fiveJButton, sixJButton,
sevenJButton, eightJButton, nineJButton, starJButton, zeroJButton, poundJButton,
talkJButton, endJButton;
// no-argument constructor
public Phone()
{
createUserInterface();
}
// create and position GUI components
private void createUserInterface()
{
// get content pane and set its layout
Container contentPane = getContentPane();
contentPane.setLayout(null);
// set up displayJLabel
displayJLabel = new JLabel();
displayJLabel.setText("Deitel Wireless");
displayJLabel.setBounds(10, 10, 170, 100);
displayJLabel.setBorder(new LineBorder(Color.BLACK));
displayJLabel.setHorizontalAlignment(JLabel.CENTER);
displayJLabel.setBackground(Color.CYAN);
displayJLabel.setOpaque(true);
contentPane.add(displayJLabel);
// set up talkJButton
talkJButton = new JButton();
talkJButton.setText("TALK");
talkJButton.setBounds(10, 120, 80, 30);
contentPane.add(talkJButton);
// set up endJButton
endJButton = new JButton();
endJButton.setText("END");
endJButton.setBounds(100, 120, 80, 30);
contentPane.add(endJButton);
// set up numberJPanel
numberJPanel = new JPanel();
numberJPanel.setBounds(10, 160, 150, 150);
numberJPanel.setBorder(new LineBorder(Color.BLACK));
numberJPanel.setLayout(new GridLayout(4, 3));
contentPane.add(numberJPanel);
// set up oneJButton
oneJButton = new JButton();
oneJButton.setText("1");
oneJButton.addMouseListener(new MouseListener()
{
public void mouseClicked(MouseEvent e)
{
String temp = displayJLabel.getText();
if ("Deitel Wireless".equals(temp))
{
displayJLabel.setText("1");
}
else
{
displayJLabel.setText(temp + "1");
}
}
public void mouseEntered(MouseEvent e)
{
// TODO Auto-generated method stub
}
public void mouseExited(MouseEvent e)
{
// TODO Auto-generated method stub
}
public void mousePressed(MouseEvent e)
{
// TODO Auto-generated method stub
}
public void mouseReleased(MouseEvent e)
{
// TODO Auto-generated method stub
}
});
//oneJButton.setBounds(5, 5, 50, 30);
numberJPanel.add(oneJButton);
// set up twoJButton
twoJButton = new JButton();
twoJButton.setText("2");
//twoJButton.setBounds(5, 5, 50, 30);
numberJPanel.add(twoJButton);
// set up threeJButton
threeJButton = new JButton();
threeJButton.setText("3");
//threeJButton.setBounds(5, 5, 50, 30);
numberJPanel.add(threeJButton);
// set up fourJButton
fourJButton = new JButton();
fourJButton.setText("4");
//fourJButton.setBounds(5, 40, 50, 30);
numberJPanel.add(fourJButton);
// set up fiveJButton
fiveJButton = new JButton();
fiveJButton.setText("5");
//fiveJButton.setBounds(5, 40, 50, 30);
numberJPanel.add(fiveJButton);
// set up sixJButton
sixJButton = new JButton();
sixJButton.setText("6");
//sixJButton.setBounds(5, 40, 50, 30);
numberJPanel.add(sixJButton);
// set up sevenJButton
sevenJButton = new JButton();
sevenJButton.setText("7");
//sevenJButton.setBounds(5, 75, 50, 30);
numberJPanel.add(sevenJButton);
// set up eightJButton
eightJButton = new JButton();
eightJButton.setText("8");
//eightJButton.setBounds(5, 75, 50, 30);
numberJPanel.add(eightJButton);
// set up nineJButton
nineJButton = new JButton();
nineJButton.setText("9");
//nineJButton.setBounds(5, 75, 50, 30);
numberJPanel.add(nineJButton);
// set up starJButton
starJButton = new JButton();
starJButton.setText("*");
//starJButton.setBounds(5, 110, 50, 30);
numberJPanel.add(starJButton);
// set up zeroJButton
zeroJButton = new JButton();
zeroJButton.setText("0");
//zeroJButton.setBounds(5, 110, 50, 30);
numberJPanel.add(zeroJButton);
// set up poundJButton
poundJButton = new JButton();
poundJButton.setText("#");
//poundJButton.setBounds(5, 110, 50, 30);
numberJPanel.add(poundJButton);
// set properties of application's window
setTitle("Phone"); // set title bar text
setSize(198, 345); // set window size
setVisible(true); // display window
} // end method createUserInterface
// main method
public static void main(String[] args)
{
Phone application = new Phone();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
} // end method main
} // end class Phone
