关于继承

package com.pratice1;

public class Horse {

protected int leg = 0;
String name = null;

public  Horse(int leg){

this.leg=4;
this.name = "马类";
System.out.println("马类的构造函数");
}

public String getName(){
return name;
}

}

package com.pratice1;

public class WhiteHorse extends Horse {

public WhiteHorse(int i){
super(i);
System.out.println("白马类的构造函数");
}

public static void main(String[] args){
WhiteHorse witheHorse = new WhiteHorse(4);
System.out.println(witheHorse.getName());
}
}