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BJP4 Self-Check 14.14: stackQueueUsage2

Language/Type: Java Collections mystery Stacks and Queues
Author: Marty Stepp (on 2016/09/08)

What is the output of the following code? 

Stack s = new Stack<Integer>();
s.push(7);
s.push(10);
System.out.println(s.pop());
System.out.println(s.peek());
s.push(3);
s.push(5);
System.out.println(s.pop());
System.out.println(s.isEmpty());
System.out.println(s.size());
System.out.println(s.peek());
s.push(8);
System.out.println(s.pop());
System.out.println(s.pop());
output

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