if (DEBUG) System.out.println("Added " + callGraph.getNumVertices() + " nodes to graph");
	public void execute() throws CFGBuilderException {		JavaClass jclass = classContext.getJavaClass();		Method[] methods = jclass.getMethods();		// Add call graph nodes for all methods		for (int i = 0; i < methods.length; ++i) {			Method method = methods[i];			callGraph.addNode(method);		}		// Scan methods for self calls		for (int i = 0; i < methods.length; ++i) {			Method method = methods[i];			MethodGen mg = classContext.getMethodGen(method);			if (mg == null)				continue;			scan(callGraph.getNodeForMethod(method));		}		if (DEBUG) System.out.println("Found " + callGraph.getNumEdges() + " self calls");	}