src/main/java/com/leetcode/design/easy/ImplementQueueUsingStacks_232.java
public int pop() {
      if (reversed.isEmpty()) {
        while (!stack.isEmpty()) {
          reversed.push(stack.pop());
        }
      }
      return reversed.pop();
    }
/** Removes the element from in front of queue and returns that element. */
Removes the element from in front of queue and returns that element.
Removes the element from in front of queue and returns that element .
public int pop() {
      if (reversed.isEmpty()) {
        while (!stack.isEmpty()) {
          reversed.push(stack.pop());
        }
      }
      return reversed.pop();
    }
public int pop ( ) { if ( reversed . isEmpty ( ) ) { while ( ! stack . isEmpty ( ) ) { reversed . push ( stack . pop ( ) ) ; } } return reversed . pop ( ) ; }
Removes the element from in front of queue and returns that element.
Removes the element from in front of queue and returns that element .