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[Java Study Notes] Chapter 5 inheritance of Java core technologiesChapter 2 Inheritance Using inheritance, You can construct a new class based on an existing class. Inheriting existing classes is to reuse (inherit) the methods and domains of these

Document directory Test Singleton Mode Multi-thread considerations Synchronization A Method for Improving Performance Double lock check Implementation of an improved thread-safe Singleton Mode Test Singleton Mode Next, I use JUnit

60 required commands in Linux (5)-60 required commands in Linux: system security commandsAlthough Linux is a multi-user system like Windows NT/2000, there are many important differences between them. For many administrators who are used to Windows,

This article is a summary of the configuration of the Web environment, where PHP runs in a fastcgi manner, which is more performance-oriented. After configuration, our server will be able to run both PHP and. NET programs, which are called all-round

ArticleDirectory Although it is a concise tutorial, it is still confused and failed. Although it is a concise tutorial, it is still confused and failed. This article is translated from Java generics quick tutorial. Generics are a

Summary The single case pattern is one of the simplest design patterns, but for Java developers, it has many drawbacks. In this month's column, David Geary explores the single case pattern and how to deal with these flaws in the face of

The runtime type information allows you to discover and use the type information when the program is running. 14.1 why rtti? In Java, all type conversions are checked for correctness at runtime. This is also the meaning of rtti: identifying the type

About MySQL database optimization we have briefly introduced some basic operations on MYSQL databases. This chapter describes the MYSQL database optimization problems for MYSQL database administrators. 1. optimize the MySQL server 1.1 MYSQL server

This article is from Java generics quick tutorialArticleThe translation comes from the IT comment on the concise Java generic tutorial. The content is as follows: Generics are a feature introduced in Java SE 5.0. Since the emergence of this

IIS + PHP + MySQL + Zend guard loader (zendoptimizer) + phpMyAdmin environment configuration diagram [updated on 2012-03-14] Posted on by the ugly face This article will explain in detail IIS 6.0 + PhP 5.3.10 (vc9 x86 non thread safe) + MySQL 5.5.20