使用信息隐藏：将数据结构的应用与它的执行分开考虑。
Practice information hiding:Separate the application of data structures from their implementation.
利用隐写术技术的人可以使用白噪点隐藏 “秘密” —— 以难以察觉的方式转变信息。
Someone employing a steganographic technique can use this noise to hide "secrets" by altering the information in ways that cannot be easily noticed.
真正的面向对象编程意味着对象隐藏其内部状态，并实现其使用该状态信息的行为。
True object-oriented programming means that objects hide their internal state and implement their own behaviors for working with that state information.
应用推荐