package day21;
public class Dk3Wrap {
public static void main(String[] args) {
ItcastStudent is = new ItcastStudent(new Student());
is.code();
}
}
interface Coder{
public void code();
}
class Student implements Coder{
@Override
public void code() {
System.out.println("javase");
System.out.println("javaweb");
System.out.println("谈女朋友");
}
}
class ItcastStudent implements Coder{
private Student s;
public ItcastStudent(Student s) {
this.s = s;
}
@Override
public void code() {
s.code();
System.out.println("大数据");
System.out.println("AI");
System.out.println("设计模式");
}
}
javase
javaweb
谈女朋友
大数据
AI
设计模式
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