-external=true#invalidate--" title="class or interface in java.awt">invalidate</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/awt/Container.html?is-external=true#isAncestorOf-java.awt.Component-" title="class or interface in java.awt">isAncestorOf</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/awt/Container.html?is-external=true#isFocusCycleRoot-java.awt.Container-" title="class or interface in java.awt">isFocusCycleRoot</a>, <a href="https://docs.oracle.com/javase/8/docs/api/jav