Class javax.swing.JInternalFrame

Added Methods
Container getFocusCycleRootAncestor()	Always returns null because JInternalFrames must always be roots of a focus traversal cycle.
InternalFrameListener[] getInternalFrameListeners()	Returns an array of all the InternalFrameListeners added to this JInternalFrame with addInternalFrameListener.
Component getMostRecentFocusOwner()	Returns the child component of this JInternalFrame that will receive the focus when this JInternalFrame is selected.
boolean isFocusCycleRoot()	Always returns true because all JInternalFrames must be roots of a focus traversal cycle.
void setFocusCycleRoot(boolean)	Does nothing because JInternalFrames must always be roots of a focus traversal cycle.