摘要：
References vs Values •Primitive types are basic java types –int, long, double, boolean, char, short, byte, float –The actual values are stored in the 阅读全文
摘要：
Object Encapsulation and References Object-oriented languages are designed to facilitate structuring code at high levels of abstraction. One of the ke 阅读全文
摘要：
Objects and Classes Objects-Oriented Programming Programming using objects An object represents an entity in the real world Objects have two parts: St 阅读全文