what difference between instance and object

Instance variable Instance variables are declared in a class, but outside of methods, construction methods, and statement blocks; When an object is instantiated, the value of each instance variable is then determined; Instance

First, the reflection mechanism of JavaEach Java program must be compiled, loaded, connected, and initialized prior to execution, with the following three phases such as:whichI, load refers to the compiled Java class file (that is, the. class file)

1.mysql Package ClassDefine parameters for initializing database connections in a constructor "because the parameter passed in when instantiating an object is the only parameter entry for that object"But instead of redundant definitions in the

Instance variable Instance variables are declared in a class, but outside of methods, construction methods, and statement blocks; When an object is instantiated, the value of each instance variable is then determined; Instance

http://leopard168.blog.163.com/blog/static/16847184420138153296930/http://blog.csdn.net/thdxs/article/details/109883431. The class method belongs to the entire class, not to an object.2. Class methods can access only class member variables, cannot

When I was studying OC, I always had no idea when to use the class method, when I used the instance method. So I made the following summary.-Represents an instance method: Access by instance method+ Represents a class method: An object of a class

Basic knowledgeFor object-oriented languages, All types are derived from the System.Object type, and it is for this reason that each type is guaranteed to have a basic set of methods, that is, to inherit the methods from their parent class

Object-Oriented Summary1. First, object-oriented programming uses objects as a processing object "such as inheritance, and so on, the nature of inheritance, is still targeted at the object"But only for class access, static members, and access

1, the object's storage details,1. When creating an object: Person *p1 = [person new], do three things:1, application heap memory space;2, initialize the instance variables;3, return the first address of the application space;2. Instance variables

What's the difference between object and object in JavaScript, why use typeof to detect objects, return object, and use instanceof to pick up object?————————————————————————————————————————————————————————————————————This problem is very similar to