繼承與構成的差異成分和繼承是一樣的嗎？如果我想實現組合模式，我如何在Java中做到這一點？
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德瑪西亞99
TA貢獻1770條經驗 獲得超3個贊
HAS AIS A
Example
class Engine {} // The Engine class.class Automobile {} // Automobile class which is parent to Car class.class Car extends Automobile
{ // Car is an Automobile, so Car class extends Automobile class.
private Engine engine; // Car has an Engine so, Car class has an instance of Engine class as its member.}添加回答
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