📄 tooltipsample.java
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import javax.swing.*;
import java.awt.*;
public class TooltipSample {
public static void main(final String args[]) {
Runnable runner = new Runnable() {
public void run() {
String title = (args.length==0 ? "Tooltip Sample" : args[0]);
JFrame frame = new JFrame(title);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
panel.setToolTipText("<HtMl>Tooltip<br>Message");
frame.add(panel, BorderLayout.CENTER);
JButton button = new JButton("Hello, World") {
public JToolTip createToolTip() {
JToolTip tip = super.createToolTip();
tip.setBackground(Color.YELLOW);
tip.setForeground(Color.RED);
return tip;
}
public boolean contains(int x, int y) {
if (x < 100) {
setToolTipText("Got Green Eggs?");
} else {
setToolTipText("Got Ham?");
}
return super.contains(x, y);
}
};
button.setToolTipText("Hello, World");
frame.add(button, BorderLayout.NORTH);
frame.setSize(300, 150);
frame.setVisible(true);
}
};
EventQueue.invokeLater(runner);
}
}
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