The object oriented programming is a new technology, which derives abstract classes from real objects and builds the program structure by means of heritage.
面向对象编程是一种新的编程手段，它通过从真实对象中派生出抽象的类，并通过继承的方法来构造程序结构。
The object oriented programming is a new technology, which derives abstract classes from real objects and builds the program structure by means of heritage.
面向对象编程是一种新的编程手段，它通过从真实对象中派生出抽象的类，并通过继承的方法来构造程序结构。
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