首先 Student s=new Student("nihao",28);
1.对应找Student类有两个对应参数的构造函数,并将nihao赋值给name,28赋值给age,读到super("libai" ,17);去父类找对应参数构造函数,找到Person(String name,int age)
,初始化之后,name=libai,age=17;
2.对应找Student类有两个对应参数的构造函数,并将nihao赋值给name,28赋值给age,读到super(name,age);也就是super(nihao,28);父类找对应参数构造函数,找到Person(String name,int age)
,初始化之后,name=nihao,age=28; |