(How to Become a Java Expert [Created by Tomjava] Many netizens asked me if there was any shortcut to learning Java, and I said "ldquo; There is no one but knows you by hand;. However, I am willing to write down some of my learning experiences, so that the latecomers can avoid detours and help others is the greatest pleasure! To learn Java well, you must first understand the general classification of Java. We know that since Sun launched Java, it has been trying to make it all inclusive. So Java has been divided into three main blocks according to its use: J2SE, J2ME and J2EE, which is also the SunONE (OpenNetEnvironment) system. J2SE is the standard version of Java 2, mainly about the programming of desktop software; J2ME mainly focuses on system development, such as mobile phone and PDA programming; J2EE is the enterprise version of Java 2, which focuses on the development of distributed network programs, such as e-commerce websites and ERP systems. Compared with VC, VB, DEPHI and other traditional development languages, J2SE development desktop software does not seem to have significant advantages. J2ME seems to be a bit abstruse for beginners, and it is usually difficult for developers to have a development environment. So J2EE is now the most widely used and best learned. J2EE also includes many components, such as Jsp, Servlet, JavaBean, EJB, JDBC, JavaMail, etc. It is not a matter of a day or two to learn. So how to learn J2EE?
How to Become a Java Expert. doc)
发表于 2022-10-4 12:54:40
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