Java Exercise for Stack

Show the console output after the following code is executed.

Stack cstack = new Stack <> (); cstack.push ('A'); cstack.push ('A'); cstack.push ('+'); System.out.print (cstack.peek()); System.out.println (cstack.pop()); cstack.pop(); cstack.push ('C'); cstack.push ('A'); cstack.push ('*'); while (!cstack.isEmpty()) System.out.print (cstack.pop());