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Stack<Integer> stack=new Stack<Integer>(); public void push(int x) { stack.push(x); } // Removes the element from in front of queue. public void pop() { stack.remove(0); } // Get the front element. public int peek() { return stack.get(0); } // Return whether the queue is empty. public boolean empty() { return stack.isEmpty(); }
Java for LeetCode 232 Implement Queue using Stacks
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原文地址:http://www.cnblogs.com/tonyluis/p/4831924.html