Objects are the basic units of object-oriented programming. 對象是面向對象的編程中的基本單位。
By letting developers define objects as unbreakable mixtures of data and behavior, OO pushed system engineering to new heights. 通過讓開發人員把目標定義成數據和行為不可分割的混合體,面向對象方法把系統工程推上了一個新高度。