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Make a JFrame not visible in the the TaskBar Tag(s): Swing



import javax.swing.JFrame;



public class NotInTaskbar extends JFrame {

  NotInTaskbar() {

    setType(Type.UTILITY); //  ***

    setVisible(true);

    setSize(200, 200);

    setTitle("Not Visible in the Taskbar");

    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

  }



  public static void main(String[] args){

    new NotInTaskbar();

  }

}
or use a JDialog instead. 

 import javax.swing.JDialog;



 public class NotInTaskbar extends JDialog {

   NotInTaskbar() {

     setVisible(true);

     setSize(200, 200);

     setTitle("Not Visible in the Taskbar");

   }



   public static void main(String[] args){

     new NotInTaskbar();

   }

 }