 href="https://docs.oracle.com/javase/8/docs/api/javax/swing/JFrame.html?is-external=true#remove-java.awt.Component-" title="class or interface in javax.swing">remove</a>, <a href="https://docs.oracle.com/javase/8/docs/api/javax/swing/JFrame.html?is-external=true#repaint-long-int-int-int-int-" title="class or interface in javax.swing">repaint</a>, <a href="https://docs.oracle.com/javase/8/docs/api/javax/swing/JFrame.html?is-external=true#setContentPane-java.awt.Container-" title="class or interface in javax