A. class Student extend Person B. class Student inherit Person C. class Student inherits Person D. class Student extends Person
A. java中子类可以继承多个父类 B. java中子类可以继承父类所有的方法 C. java中子类只能继承一个父类 D. 一旦子类继承父类,子类就能得到父类所有属性
A. public double max(double x,double y) B. public int max(int n,int k) C. public int max(int x,int y,int z) D. public double max(double n,double k)