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I. Classes and objects1, what is a class: class is a description of a class of things, is an abstract, conceptual definition. is a collection of objects with some of the same properties and functional behavior.In object-oriented programming, a class

The current coding specifications are PEP8The content of the specification stipulates that:A code orchestration1 indent. Indentation of 4 spaces (the editor can do this), no tap, no mix of taps and spaces.2 The maximum length per line is 79, the

1. Using inheritance to develop superclass (superclass)2. Use super keyword to evoke super class construction method3. Overriding methods in Super-class4. Distinguish between override and overload5. Explore the ToString () class in the object class6.

1: Beginners Java, all know that Java is Object-oriented programming. The author begins this section by talking about classes and objects. (Example for reference only, if copy and paste remember to modify the package name and class name, to avoid

When writing aidl files, you need to be aware of:1. The interface name and the Aidl file name are the same.2. Interfaces and methods do not use the access modifier (public, private, protected, etc., also can not be used final, static).The 3.AIDL

The simple difference between 1.C and C + +1. The created file type is different, C is the. c,c++ is. cpp2. The introduced header file is not the same3.c++ has a name space4. Input and output statements are not the same5.C language does not allow

Enterprise Architect (EA) is an OMG UML-based visual model and design tool that provides support for the design and construction of software systems, business process modeling, and domain-based modeling, and is not only used by enterprises and

1.LAMP: Architecture Mode l:linux System A: Apache server m:mysql Database P:2.PHP languageLamp Features: Running faster, small size,3.SQL statementsCREATE TABLE name: Creat table Name (Code int PRIMARY KEY,Column name data type ... (Pay special

1. Tools such as Phpdoc are not used to properly annotate your code 2. Ignore 3 for excellent integrated development environments such as Zend Studio or eclipse PDT. Never used any form of version control system, such as SUBCLIPSE4. No coding and

Reference

Packaging1. What is encapsulationEncapsulation (encapsulation) is also known as the hidden implementation (hiding the implementation). is to expose only the external interface of the code unit, and hide its specific implementation.In fact,

Methods of the classSignature of method: includes access modifier, return type, method name, parameter list, return value data typeThe currently learned access modifiers include: Public private protected (protected)To pass the parameter:1. When an

There is a similar problem with programming in any language, that is, how to organize the code, specifically, how to avoid naming conflicts? How to reasonably organize various source files? How do I use a third-party library? How do the various code

Currently, most PHP (as the current mainstream development language) installs or uses PHP (as the current mainstream development language) version 4.x. In fact, PHP (as the current mainstream development language) 5.0 has been in place for some time

One of the three cornerstones of the package1. What is encapsulation?Encapsulation (encapsulation) is also known as the hidden implementation (hiding the implementation). is to expose only the external interface of the code unit, and hide its

PHP Pen Questions Summary, PHP test questions summary 1, crawl the remote image to the local, you will use what function?Fsockopen, A2. Write a function that asks for the maximum value of 3 with the least amount of code.function ($a, $b, $c) {* W0

Big talk design mode The first chapter: Factory model Polite: The program can run is not necessarily optimal. Can be maintained, extensible, reusable, flexible, avoid duplication (can be more than one link to eliminate duplication) business logic

1, from a simple routine to see the basic syntax:The following code is generated by the Osx-application-command line tool:#import int main (int argc, const char * argv[]) {@autoreleasepool {Insert code here ...NSLog (@ "Hello, world!");NSLog (@

Turn from the three cornerstones of object-oriented object-oriented three cornerstones (encapsulation, inheritance and composition, polymorphism)One of the three cornerstones of the package1. What is encapsulation?Encapsulation (encapsulation) is

Original: UML class diagram Knowledge collationUML Class DiagramUML, advanced necessary professional skills, can not understand the UML will not understand those excellent information.Here's a simple arrangementRelationship generalization