public interface Person { void introduce(); }
class Student implements Person {
public Student() {
// TODO Auto-generated constructor stub
}
introduce() {
System.out.println("我要去听课");
}
}
class Teacher Teacher() {
}
@Override
introduce() {
TODO Auto-generated method stub
System.out.println("我要去讲课");
}
}
实现方法
class Introduce Person {
Person person;
Introduce() {
Introduce(Person person) {
this.person = person;
}
@Override
TODO Auto-generated method stub
System.out.println("大家好");
person.introduce();
}
}
主函数
class Test {
Test() {
static main(String[] args) {
TODO Auto-generated method stub
Student student = new Student();
Introduce sIntroduce = Introduce(student);
sIntroduce.introduce();
Teacher teacher = Teacher();
Introduce tIntroduce = Introduce(teacher);
tIntroduce.introduce();
}
}
运行结果
大家好
我要去听课
大家好
我要去讲课
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