Ex_1_3_06.md

title	Algorithm4 Java Solution 1.3.06
date	2019-07-04 05:47:10 +0800
draft	false
tags	JAVA
categories	TECH archives

1.3.06

Problem:

What does the following code fragment do to the queue q?

Stack<String> stack = new Stack<String>();
while(!q.isEmpty())
    stack.push(q.dequeue());
while(!stack.isEmpty())
    q.enqueue(stack.pop());

Solution：

reverse the elements order in q.

Reference：