Question

Java在定义两个构造方法中调用父类的构造方法练习题

这是一道作业练习题，这道题如何下手？初学者，求大神解答

Answer 1

public class PersonDemo{
public static void main(String[] args){
Student st=new Student("lidi",2);
Person.print();
}
}

class Person{
private static String name;
protected static int age;
public Person(){}
public Person(String name,int age){
this.name=name;
this.age=age;
}
public Person(String name){
this.name=name;
}
public static void print(){
System.out.print(name+"\t"+age);
}
}

class Student extends Person{
private String name;
public Student(String name,int age){
super(name);
this.name=name;
super.age=age;
}
}