LabelTest.java
// Fig. 12.7: LabelTest.java // JLabels with text and icons. 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 class LabelFrame extends JFrame { private final JLabel label1; // JLabel with just text private final JLabel label2; // JLabel constructed with text and icon private final 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 class LabelFrame public class LabelTest { public static void main(String[] args) { LabelFrame labelFrame = new LabelFrame(); labelFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); labelFrame.setSize(260, 180); labelFrame.setVisible(true); } } // end class LabelTest
Maintained by John Loomis, updated Thu Feb 09 11:39:20 2017