?? labeltest.java
字號:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class LabelTest extends JFrame {
private JLabel label1, label2, label3;
public LabelTest()
{
super( "Testing JLabel" );
Container c = getContentPane();
c.setLayout( new FlowLayout() );
// JLabel constructor with a string argument
label1 = new JLabel( "Label with text" );
label1.setToolTipText( "This is label1" );
c.add( label1 );
// JLabel constructor with string, Icon and
// alignment arguments
Icon bug = new ImageIcon( "bug1.gif" );
label2 = new JLabel( "Label with text and icon",
bug, SwingConstants.LEFT );
label2.setToolTipText( "This is label2" );
c.add( label2 );
// JLabel constructor no arguments
label3 = new JLabel();
label3.setText( "Label with icon and text at bottom" );
label3.setIcon( bug );
label3.setHorizontalTextPosition(
SwingConstants.CENTER );
label3.setVerticalTextPosition(
SwingConstants.BOTTOM );
label3.setToolTipText( "This is label3" );
c.add( label3 );
setSize( 275, 170 );
show();
}
public static void main( String args[] )
{
LabelTest app = new LabelTest();
app.addWindowListener(
new WindowAdapter() {
public void windowClosing( WindowEvent e )
{
System.exit( 0 );
}
}
);
}
}
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