difference between multiple inheritance and interface

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

In the Java language, abstract classes and interface are the two mechanisms that support the definition of an abstraction class. It is the existence of these two mechanisms that gives Java a powerful object-oriented capability. Abstract class and

Abstract class and interface are the two mechanisms in the Java language to support the definition of a class, and it is precisely because of the existence of these two mechanisms that it gives Java a powerful object-oriented capability. Abstract

Reprint: http://blog.csdn.net/kevin_darkelf/article/details/11371353Relationships and differences between inheritance, implementation, dependency, association, aggregation, and compositionThese relationships are described separately:InheritedRefers

Some have learned that inheritance, that he is one of the object-oriented features, in all can be used to inherit the place of inheritance, regardless of whether it should not be used, undoubtedly, this is wrong. So, how do you use inheritance?

The difference between abstract class and interface and its application(This article is provided by Zhang Yang)Abstract class and interface (Interface) are two important concepts in object-oriented programming. Since there are many similarities

In Ood (object-oriented design), abstract classes or interfaces are often used, "note: in C + +, there is no concept of interfaces, only abstract classes, and both exist in Java." In the process of use, there may be many people think that the

The difference between protocol, category and inheritance in OCusing inheritance, polymorphism is a good keep "open to extensions, closed to changes" (OCP) is also the most common approach. Objective C also supports two additional syntaxes to

Go to http://yinny.iteye.com/blog/1152430#bc2372045The difference between an interface and an abstract class:1The interface is the core, which defines what to do, contains many methods, but does not define how these methods should be done。2If many

(Source http://hi.baidu.com/dgx_lsyd3/blog/item/8f710ed7ca49badda144dfd0.html) ---------------------------------------------Explanation 1:Abstract class and interface are two mechanisms supported for the definition of abstract classes in Java. It