addClass(c); for (JavaClass x : getReferencedClasses(c)) addClass(x);
if (applicationClasses.add(c)) { if (DEBUG_HIERARCHY && computed) System.out.println("Need to recompute"); computed = false; }
	public void addApplicationClass(JavaClass c) {		if (c == null)			return;		if (DEBUG_HIERARCHY)			System.out.println("Adding application class " + c.getClassName());		addClass(c);		for (JavaClass x : getReferencedClasses(c))			addClass(x);	}