關於Java繼承用法

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關於Java繼承用法

這篇文章是介紹Java的繼承該如何實作~
當原類別擴充到一定程度時，一般會將共用的部分抽出來當父類別。
當有特殊功能要加在原類別上時，就會實作新的子類別並繼承父類別。

父類別

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public class father {

	private int money = 1000000;
	
	private int houses = 1;
	
	private int cars = 1;
}

子類別繼承父類別

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public class son extends father {

	private int money = 500000;
	
	private int houses = 2;
	
	private int cars = 2;
	
	private int bikes = 1;
}