package java04;

public class TestSuperSub {

public static void main(String[] args){

SubClass sc = new SubClass();

SubClass sc2 = new SubClass(1000);

}

}

class SuperClass{

private int n;

SuperClass(){

System.out.println("父类的无参数函数");

}

SuperClass(int n){

System.out.println("父类的有参数函数"+n);

this.n = n;

}

}

class SubClass extends SuperClass{

private int n;

SubClass(){

super(300);

System.out.println("子类的无参数函数");

}

SubClass(int n){

System.out.println("子类的又参数函数"+n);

this.n = n;

}

}