J2SE Summary: j2se download
The Java2 Platform includes three versions: Standard Edition (J2SE), Enterprise Edition (J2EE), and mini version (J2SE. J2SE, j2-and J2EE, which is the SunONE (Open NetEnvironment) system. J2SE is the standard version of Java2 and is mainly used for programming desktop applications. J2SE Contains classes that constitute the core of the Java language. For example, database connection, interface definition, input/output, and network programming. It is summarized as follows:
Conclusion: J2SE is the foundation for us to enter java. Many of them have been used, for example, syntax knowledge, and previously learned. net, c # is the same; and some Object-Oriented Knowledge is well known. Even so, we still need to study hard and build a solid foundation, just like a building. If there is a problem with the foundation, it will become a dangerous building. It is extremely important.