interface and class difference

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

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

(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

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

Interface differs from abstract class, interface abstract class difference What is the difference between an interface and an abstract class What is the basis of your choice to use interfaces and abstract classes? The concepts of interfaces and

Keywords: differences between abstract classes and interfaces Abstract class and interface are two mechanisms supported for the definition of abstract classes in Java. It is precisely because of the existence of these two mechanisms that give

Learning Java must know: the difference between an abstract class and an interfaceAbstract 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

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

The Java Interface (Interface), a set of methods, is a collection of method features, an interface that has no method implementation of the characteristics of a method, so that these methods can be implemented in different places by different

1) When inheriting an abstract class, each of the abstract methods in the class must be overridden, and each implemented method must receive the same number and type of parameters as the method specified in the abstract class, with the same return