tailieunhanh - HandBooks Professional Java-C-Scrip-SQL part 9

Tham khảo tài liệu 'handbooks professional java-c-scrip-sql part 9', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | . Community The most critical crown jewel for Java is the community. Said another way Java s market share makes it the 500-lb. gorilla who can sleep anywhere he chooses. Java s community is as massive as it is diverse Vendors across the industry support Java. Though Sun is the inventor IBM is perhaps the most important Java supporter. Enterprise developers use Java to do almost everything. Java is at once a mobile computing platform a web-based applications language a systems language for enterprise-plumbing code called middleware and everything in between. Hobby programmers flock in droves toward open source projects. Once the black sheep of the open source community Java has now become the dominant player. Standards also play a significant role in enterprise computing. From the beginning the core Java vendors have collaborated to establish standards. Servlets EJB and JSP were three of the most influential standards of this decade. To fend off the image that Java was growing increasingly proprietary they established a community process. Java has characteristics that many of us take for granted. You can find good Java developers everywhere. No one ever gets fired for choosing Java. It s mature and ready for outsourcing. You can get education. You can buy components. You can often choose between many implementations of a standard. You can do many things for free. I could go on but the point is clear. Java s community makes enterprise development safe. . The Importance of Open Source Everyone wants to build a monopoly for the inevitable benefits of market domination but the power behind Java s community goes well beyond riding the coattails of market leadership. And one piece of the community open source software increasingly defines the Java experience. In the beginning open source software powered the servlet revolution through Tomcat. Then we learned to build with Ant and test with JUnit and continuously integrate with products like Cruise Control. Later .