Introduction - If you have any usage issues, please Google them yourself
JAVA' s object-oriented programming-------- lecture notes object-oriented process-oriented focus. The basic unit is a process-oriented function. What is the object: EVERYTHING IS OBJECT (everything is an object) all things have two aspects: (attribute): used to describe objects. What can be done (methods): tell the outside object. The latter former is basis. The large object attributes can also be an object.