第 5 章 子类与继承
子类的继承性
class Father
{ private int money;
int weight;
int getWeight()
{ return weight;
}
protected void setWeight(int w)
{ weight=w;
}
}
class Son extends Father
{ String hand;
public void setHand(String hand)
{ this.hand=hand;
}
String getHand()
{ return hand;
}
}
