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I. Problems to be SolvedWhen we were an early adopter of jdk1.5, I believe many people have encountered unsupported Major. Minor version 49.0.Wrong, at that time will be at a loss. At the beginning, there were not many Chinese documents related to

Preface: Naming rules for software released on the Internet. Although you can name your own released software, you still have a lot of conversations about the rules. Article 1: Version 1 1.1 Official version Enhance: the enhanced version or

The advantage of the Objective-c language is that we are more flexible when writing code, such as we can forward the message to the object we want, or swap the implementation of a method at random. This feature means that objective-c requires not

1. Index of ClassAn index is a set of get and set front accessors that support referencing an object as a method of consuming an array element. An index is usually a number of data members, and it always exists as a case member of a Lei class.

PHP Version Processing class For example, recording the app version, or some version of the data, if you use 1.0.0 this version format to record the storage, when you need to filter the query will be more troublesome.Instead of converting the

Http://baike.baidu.com/link?url=UZBhF-I3YFeyYy7yK-i_xEBGjZNvyIOJloYO9AGLlPJxl36vJF9kYYo4UfgjRy_Znaming style editing GNU versionThe major version number. The child version number [. fix version number [.] The build version

This articleArticleIs from 《Inside Java Virtual Machine (Deep into Java Virtual Machine) This book excerpt, in the face of this chapter mainly talks about the Java class loader architecture, speak quite well. In Java's sandbox, the Class Loader

1.Base class and derived class: When a class is derived from another class, the original class is called the base class, And the inherited class is called the derived class. The basic syntax is: Class subclassname: Public baseclassname {}; Public

The ClassLoader (class loader) is a very important concept in java™. The ClassLoader is responsible for loading the Java class's byte code into the Java virtual machine. In this paper, the basic concepts of Java ClassLoader are introduced in detail,

One: Structure and invocation (instantiation): Class classname{}, calling: $obj = new ClassName (), and when the class has a constructor, it should also pass in the argument. such as $obj = new ClassName ($v, $v 2 ...); Two: Constructors and