Bug 91855 Duplicate members in JDT views
I20050414-11..-gtk + ZRH export of 20050418 - In a Java5 project, open java.lang.StringBuffer - Note that some of the overloaded append and insert methods appear twice
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/MethodsViewer.java
/**
	 * Show inherited methods
	 */
	public void showInheritedMethods(boolean on) {
		if (on == isShowInheritedMethods()) {
			return;
		}		
		try {
			getTable().setRedraw(false);
			showInheritedMethodsNoRedraw(on);
			refresh();
		} finally {
			getTable().setRedraw(true);
		}		
	}
	private void sortByDefiningTypeNoRedraw(boolean on) {
		fSortByDefiningTypeAction.setChecked(on);
		fLabelProvider.setShowDefiningType(on);
		((HierarchyViewerSorter) getSorter()).setSortByDefiningType(on);
	}
	/**
	 * Show the name of the defining type
	 */
	public void sortByDefiningType(boolean on) {
		if (on == isShowDefiningTypes()) {
			return;
		}
		try {
			getTable().setRedraw(false);
			sortByDefiningTypeNoRedraw(on);