Bug 9304 new class wizard: incorrect terminology used
1. new class wizard 2. press Add.. in interfaces 3. the dialog you see has a title 'Extended Interfaces Selection' this is incorrect - it should be 'Implemented Interfaces Selection' (this bug was pointed out on the wsad newsgroup)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/TypePage.java
type= JavaModelUtil.findType(jproject, "java.lang", sclassName); 
				}
			}
			
			if (type == null) {
				type= JavaModelUtil.findType(jproject, sclassName);
			}
		}
		return type;
	}		
	
	/**
	 * Called when the list of super interface has changed.
	 * The method validates the superinterfaces and returns the status of the validation.
	 * Can be extended to add more validation.
	 */
	protected IStatus superInterfacesChanged() {
		StatusInfo status= new StatusInfo();
		
		IPackageFragmentRoot root= getPackageFragmentRoot();
		fSuperInterfacesDialogField.enableButton(0, root != null);
						
		if (root != null) {
			List elements= fSuperInterfacesDialogField.getElements();
			int nElements= elements.size();
			for (int i= 0; i < nElements; i++) {
				String intfname= (String)elements.get(i);
				try {
					IType type= JavaModelUtil.findType(root.getJavaProject(), intfname);
					if (type == null) {