题目详情

在面向对象方法中,将逻辑上相关的数据以及行为绑定在一起,使信息对使用者隐蔽称为()。当类中的属性或方法被设计为private时,(请作答此空)可以对其进行访问。

  • A.应用程序中所有方法
  • B.只有此类中定义的方法
  • C.只有此类中定义的public方法
  • D.同一个包中的类中定义的方法

正确答案及解析

正确答案
B
解析

封装是用来保持内部数据的隐蔽性;类的属性和方法分为public(所有类都可以访问)、private(仅本类内部可以访问)、protect(本类内部可访问、继承子类也可以访问)。

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