摘要:
命令模式 package src; //抽象命令类 public abstract class AbstractCommand { public abstract int execute(int value); //声明命令执行方法execute() public abstract int undo 阅读全文
摘要:
public class Client { public static void main(String args[]) { Leader objDirector,objManager,objGeneralManager,objViceGeneralManager; objDirector=new 阅读全文