getRootPane--" title="class or interface in javax.swing">getRootPane</a>, <a href="https://docs.oracle.com/javase/8/docs/api/javax/swing/JFrame.html?is-external=true#getTransferHandler--" title="class or interface in javax.swing">getTransferHandler</a>, <a href="https://docs.oracle.com/javase/8/docs/api/javax/swing/JFrame.html?is-external=true#isDefaultLookAndFeelDecorated--" title="class or interface in javax.swing">isDefaultLookAndFeelDecorated</a>, <a href="https://docs.oracle.com/javase/8/docs/api/javax