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How to activate and deactivate JFrame in Java
Here, we are activating a frame. For deactivation, we have used dispose −
Thread.sleep(2000); frame.setVisible(false);
The frame first activates and then deactivates after 2 seconds since we have set sleep to 2000 miliseconds.
The following is an example to activate and deactivate JFrame −
Example
import java.awt.Frame; import javax.swing.JFrame; import javax.swing.JLabel; public class SwingDemo { public static void main(String[] args) throws InterruptedException { JFrame frame = new JFrame(); frame.add(new JLabel("Demo")); frame.pack(); frame.setVisible(true); Thread.sleep(2000); frame.setState(Frame.ICONIFIED); Thread.sleep(2000); frame.setVisible(false); frame.dispose(); System.exit(0); } }
The output is as follows displaying the frame −
Output
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