public class Test {
public static void main(String[] args) {
Student student = new Student("张三", 20);
student.show();
Undergraduate undergraduate = new Undergraduate("李四", 25, "学士");
undergraduate.show();
}
}
class Student {
public String name;
public int age;
public Student(String name, int age) {
this.name = name;
this.age = age;
}
public void show() {
System.out.println("姓名: " + name + ", 年龄: " + age);
}
}
class Undergraduate extends Student {
private String degree;
public Undergraduate(String name, int age, String degree) {
super(name, age);
this.degree = degree;
}
public void show() {
System.out.println("姓名: " + name + ", 年龄: " + age + ", 学位: " + degree);
}
}
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