Race6006的专栏

package OO_Problems;public class ArithmeticExpressionTree { public interface AENode{ public double evaluate() throws EvaluationException; } public class AEValueNode implements AENode{ priva

Design a valet parking system. Requirements of the valet parking system should be: 1. Customer are given a ticket that they can use to redeem to get their vehicle back 2. Parking spots come in thr

Question: How do you design a Maze and what kind of data structures you use for Maze. In addition, write a method to print the shorted path from start to end point.Example:#############