We can control a threads schedule by using a rich set of Java methods, such as sleep(), yleld().join().setPriority(). Walt(), notify() and notify AlI(). True False The following block of code creates a copyOrwriteArrayList. adds elements to it, and prints the contents: copy OnWriteArrayList cowList = new CopyOnWriteArrayList (); cowList. add(4); cowList. add(2); Iterator it = cowList. it = cowList. iterator(); cowlist. add(6); while(it. hasNext()) {System. out. print(it. next() + " ");} What is the result? Compilation fails 4 2 6 6 12 An exception is thrown at runtime 4 2