打字猴:1.70047041e+09
1700470410 Boy boy=new Boy();
1700470411
1700470412 //初始化当前状态
1700470413
1700470414 boy.setState(“心情很棒!”);
1700470415
1700470416 System.out.println(”=====男孩现在的状态======”);
1700470417
1700470418 System.out.println(boy.getState());
1700470419
1700470420 //需要记录下当前状态呀
1700470421
1700470422 Boy backup=new Boy();
1700470423
1700470424 backup.setState(boy.getState());
1700470425
1700470426 //男孩去追女孩,状态改变
1700470427
1700470428 boy.changeState();
1700470429
1700470430 System.out.println(”\n=====男孩追女孩子后的状态======”);
1700470431
1700470432 System.out.println(boy.getState());
1700470433
1700470434 //追女孩失败,恢复原状
1700470435
1700470436 boy.setState(backup.getState());
1700470437
1700470438 System.out.println(”\n=====男孩恢复后的状态======”);
1700470439
1700470440 System.out.println(boy.getState());
1700470441
1700470442 }
1700470443
1700470444 }
1700470445
1700470446 程序运行结果如下所示:
1700470447
1700470448 =====男孩现在的状态======
1700470449
1700470450 心情很棒!
1700470451
1700470452 =====男孩追女孩子后的状态======
1700470453
1700470454 心情可能很不好
1700470455
1700470456 =====男孩恢复后的状态======
1700470457
1700470458 心情很棒!
1700470459
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