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+import javax.swing.JFrame;%0A%0Aclass dummyFrame extends JFrame %7B%0A%09%09/**%0A%09%09 * %0A%09%09 */%0A%09%09private static final long serialVersionUID = 8375896893800619199L;%0A%09%09private static final int EXIT_ON_CLOSE2 = EXIT_ON_CLOSE;%0A%0A%09%09public dummyFrame () %7B%0A%09%09%09setAlwaysOnTop(true);%0A%09%09%09setVisible(false);%0A%09%09%09setDefaultCloseOperation(EXIT_ON_CLOSE2);%0A%09%09%7D%0A%09%7D%0A

Create dummyFrame.java