下面代码的输出结果是 。 interface Animal1{ public default void eat () { System.out.println ("I can eat anything. ") ;} public static void speak () { System.out.println ("I can speak English. ") ;} } interface Person extends Animal1{ public default void work () { System.out.println ("I can working. ") ; } } class Student implements Person{ String major; public Student () {} } public class InterfaceTest{ public static void main (String [] args) { Student s=new Student () ; s.eat () ; Animal1.speak () ; s.work () ; } }
发布时间:2024-03-31 20:01:56