技術標籤：javajava

this與super

public class Person {
    public String id="身份證號";
}

public class Student extends Person {
    public String id="學號";
    public void show(){
        System.out.println(this.id);
        System.out.println(super.id);
    }
}
public class Test {
    public
 
 static void main(String[] args) {
        Student student=new Student();
        student.show();
    }
}