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什么是setter和getter方法?为什么在Java中使用它们?
setter和getter方法是一种用于设置(设置器)和获取(获取器)类的属性值的方法。在Java中,getter方法用于获取私有实例变量的值,而setter方法用于设置私有实例变量的值。 通常情况下,类的属性(成员变量)被声明为私有(private),以实现封装的概念,即防止 ...
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