15问答网 > 一个java初学者的问题

一个java初学者的问题

2025-03-13 23:39:02
推荐回答（3个）
回答1：

new Audi()：创建了一个Audi类的实例。

回答2：

理解如下：

Carshop carshop = new Carshop();
carshop.sellcar(new Audi());

创建Carshop对象，用来访问其方法sellcar( )。方法可接收参数类型是Car类或者其子类对象。

new Audi()是：创建Audi类型的对象。语法格式是：new  Audi();

回答3：

carshop.sellcar(Car car)接受一个Car类型的实例变量(要new出来)

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