应用广度优先搜索策略：该算法首先根据输入的节点数（该程序可选的有3X3，4X4…9X9几种节点数），然后输入初始状态和终点状态-application breadth - first search strategies : The first algorithm based on the input nodes (which are optional procedures 3X3, 4X4 ... Frankfurt several nodes), then the initial state

八数码难题的java源代码，采用的是广度优先算法。-Eight puzzle java source code, using the breadth-first algorithm.