class and class

Inheritance relationship inheritance refers to the ability of a class (called a subclass, sub-interface) to inherit the functionality of another class (called the parent class, parent interface) and to increase its own new functionality. Inheritance

Code obfuscation in Android is typically proguard. It has many other useful functions besides confusing the code. The main record here is confusing related implementations.The role of 1.ProGuardDelete useless code, compress and optimize class file,

This is a tutorial on the basics of UML; now that we're doing a project too tight, we haven't really done a real class-level detail design, let alone using UML to implement canonical modeling; This article is mainly about the relationship between

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

Runtime Runtimes: Methods and messagesIn this chapter, we're going to start talking about the most interesting part of runtime: the message handling mechanism. We will discuss the sending of messages and the forwarding of messages in

InheritedRefers to the ability of a class (called a subclass, sub-interface) to inherit the functionality of another class (called the parent class, the parent interface) and to augment its own new functionality, which is the most common

Underlying data type SelThe SEL, also called the selector, is a pointer to the selector that represents a method, which is defined as follows:typedef struct objc_selector *SEL;The detailed definition of the objc_selector struct is not found in the

Transferred from: http://www.360doc.com/content/10/1206/23/3123_75672033.shtmlSome time ago participated in the technical lecture of Pangayu teacher, UML modelling technology benefited greatly. I also put some of the usual accumulation and the last

in this chapter, we're going to start talking about the most interesting part of runtime: the message handling mechanism. we will discuss the sending of messages and the forwarding of messages in detail. underlying data typeSELThe sel, also called

There are six main types of relationships defined by UML: dependency, inheritance, association, implementation, aggregation, and composition. The understanding and use of these inter-class relationships is the key to mastering and applying UML, and

OriginalThis one is quite in place.I. The relationship of succession inheritance refers to the ability of a class (called a subclass, sub-interface) to inherit the functionality of another class (called a parent class, parent interface) and to

Recently in the study of STM32 interrupted nesting problem, finally found a good understanding of the method, perhaps I was too stupid to record!The STM32 has 43 channel settable interrupt sources, and the AIRC (application Interrupt and Reset

Class and Class Diagram1) A Class encapsulates data and behaviors and is an important part of object-oriented systems. It is a general term for object sets with the same attributes, operations, and relationships. 2) in the system, each class has

I think everyone knows this four modifiers very well, but here I still want to say, why? Because each person has different understandings of it, I wrote a story about myself and shared it with everyone. I hope you can point out something wrong or

Objectives of this chapter:Measure the test taker's understanding about the development of multiple developers.Measure the test taker's knowledge about the role and definition of the package.Understand the package import syntax and

JNI is used in the android project. When proguard is used, it is found that many variables cannot be found in the native method. It was originally optimized by produard. Therefore, use progurad with caution in JNI applications. Solution:1. Add a

 The forced transformation of C-style is as follows: (T) expression or T (expression) // function-style) There is no essential difference between the two forms. CStyle transformation works well. However, such conversion characters can also be

ref:http://m.blog.csdn.net/blog/u012745772/42420443When the new object is added (), there is no (), do not know what is the difference?Like what:CBase *base = new cderived ();CBase *base = new cdeviced;Many people say that parentheses call a

original articles, reproduced please specify the source:http://blog.csdn.net/sfh366958228/article/details/38922567ObjectiveThe terms of the study today are all derived from the design and declaration, so what is software design? As explained in the

Class.forName (xxx.xx.xx) returns a class First, you have to understand that any class in Java can be mounted on a virtual machine to run. 1. forname is used for loading classes (new is to create an instance from the class that is loaded into