Resize the window and watch how the components are re-arranged.
LabelTest.java
// Fig. 14.7: LabelTest.java // Testing LabelFrame. import javax.swing.JFrame; public class LabelTest { public static void main( String[] args ) { LabelFrame labelFrame = new LabelFrame(); // create LabelFrame labelFrame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); labelFrame.setSize( 260, 180 ); // set frame size labelFrame.setVisible( true ); // display frame } // end main } // end class LabelTest
LabelFrame.java
// Fig. 14.6: LabelFrame.java // Demonstrating the JLabel class. import java.awt.FlowLayout; // specifies how components are arranged import javax.swing.JFrame; // provides basic window features import javax.swing.JLabel; // displays text and images import javax.swing.SwingConstants; // common constants used with Swing import javax.swing.Icon; // interface used to manipulate images import javax.swing.ImageIcon; // loads images public class LabelFrame extends JFrame { private JLabel label1; // JLabel with just text private JLabel label2; // JLabel constructed with text and icon private JLabel label3; // JLabel with added text and icon // LabelFrame constructor adds JLabels to JFrame public LabelFrame() { super( "Testing JLabel" ); setLayout( new FlowLayout() ); // set frame layout // JLabel constructor with a string argument label1 = new JLabel( "Label with text" ); label1.setToolTipText( "This is label1" ); add( label1 ); // add label1 to JFrame // JLabel constructor with string, Icon and alignment arguments Icon bug = new ImageIcon( getClass().getResource( "bug1.png" ) ); label2 = new JLabel( "Label with text and icon", bug, SwingConstants.LEFT ); label2.setToolTipText( "This is label2" ); add( label2 ); // add label2 to JFrame label3 = new JLabel(); // JLabel constructor no arguments label3.setText( "Label with icon and text at bottom" ); label3.setIcon( bug ); // add icon to JLabel label3.setHorizontalTextPosition( SwingConstants.CENTER ); label3.setVerticalTextPosition( SwingConstants.BOTTOM ); label3.setToolTipText( "This is label3" ); add( label3 ); // add label3 to JFrame } // end LabelFrame constructor } // end class LabelFrame
Maintained by John Loomis, updated Mon Sep 23 11:48:41 2013