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5.13. Tool tips
Last updated: 25 January 2013.

This tutorial will show you how to use tool tips in Java.

A tool tip is a description of a component that appears when the user hovers the component. The class JComponent provides a method named setToolTipText(String text) that binds a tool tip to a component. The following picture shows a frame containing a text field with a tool tip describing it:


Spinners



Here is the code:

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;

public final class ToolTips extends JFrame {

   
public ToolTips() {
         
init();
          addComponents
();

          setDefaultCloseOperation
(JFrame.EXIT_ON_CLOSE);
          setVisible
(true);
   
}


   
private void addComponents() {
         
// Set up the content pane
         
JPanel contentPane = new JPanel();

         
// Set up the text field
         
JTextField textField = new JTextField(10);
          textField.setToolTipText
("Enter your name here");
          contentPane.add
(textField);

         
// Add the content pane to the JFrame
         
add(contentPane);
   
}


   
private void init() {
         
setTitle("ToolTips");
          setSize
(250, 70);
          setLocationRelativeTo
(null);
   
}


   
public static void main(String[] args){
         
SwingUtilities.invokeLater(new Runnable() {
               
public void run() {
                     
new ToolTips();
               
}
          })
;
   
}
}


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