打字猴:1.700476774e+09
1700476774 public String getWheel();
1700476775
1700476776 //汽车引擎
1700476777
1700476778 public String getEngine();
1700476779
1700476780 }
1700476781
1700476782 我们定义一辆车必须有车轮和引擎,具体的产品如代码清单30-24所示。
1700476783
1700476784 代码清单30-24 具体车辆
1700476785
1700476786 public class Car implements ICar{
1700476787
1700476788 //汽车引擎
1700476789
1700476790 private String engine;
1700476791
1700476792 //汽车车轮
1700476793
1700476794 private String wheel;
1700476795
1700476796 //一次性传递汽车需要的信息
1700476797
1700476798 public Car(String_engine,String_wheel){
1700476799
1700476800 this.engine=_engine;
1700476801
1700476802 this.wheel=_wheel;
1700476803
1700476804 }
1700476805
1700476806 public String getEngine(){
1700476807
1700476808 return engine;
1700476809
1700476810 }
1700476811
1700476812 public String getWheel(){
1700476813
1700476814 return wheel;
1700476815
1700476816 }
1700476817
1700476818 public String toString(){
1700476819
1700476820 return”车的轮子是:”+wheel+”\n车的引擎是:”+engine;
1700476821
1700476822 }
1700476823
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