J2EE (Java 2 Enterprise Edition) is indeed the best development platform for enterprise information. As the misleading name of J2EE, Sun will be renamed J2EE Java EE, Today, Java EE platform has become the telecommunications, finance, commerce, insurance, securities and other sectors of choice for large-scale application development platform.
Currently, Java 2 platform has three versions,
They are suitable for small devices and smart cards and Java 2 Platform Micro Edition (Java 2 Platform Micro Edition, J2ME),
For desktop systems Java 2 Platform Standard Edition (Java 2 Platform Standard Edition, J2SE),
Apply to create server applications and services, Java 2 Platform, Enterprise Edition (Java 2 Platform Enterprise Edition, J2EE).