為什么3-4繼承順序中老師代碼可以運(yùn)行而我的不可以

public?class?Initail?{
????Animal?animal?=?new?Animal();
????System.out.println("animal?age:"+animal.age);
????public?static?void?main(String[]?args)?{
????????Dog?dog?=?new?Dog();
????????dog.age?=?10;
????????dog.name?=?"xiaotian";
????????dog.eat();
????}
}

qq_慕俠9518479

2019-07-25

源自：Java入門第二季 9-4

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weixin_慕容9024222 回答被采納 +2 積分
2019-07-25

public?class?Initail?{
????public?static?void?main(String[]?args)?{
???????Animal?animal?=?new?Animal();
???????System.out.println("animal?age:"+animal.age);//最終執(zhí)行的語(yǔ)句都要放在main方法中
???????Dog?dog?=?new?Dog();
????????dog.age?=?10;
????????dog.name?=?"xiaotian";
????????dog.eat();
???????}
?????}