Upgrade versions of each JDK include odd and even versions, such as Java 8 update 8u73 and Java 8 update 8u74. Which version should I choose?
Production environment Selection 8u73, test environment optional 8u74;
Each release has a odd (CPU) and an even (PSU) number. So in this case, the CPU (critical fixes) and the (Critical plus non-critical fixes)
General recommendation from Oracle in a production environment are to use the CPU releases and start testing the PSU Releas E in your test environments to prepare for the next CPU which would contain the previous PSU plus any new critical updates.
How do I choose JRE, Server JRE, and JDK three versions?
Which Java package do I need?
Software developers:jdk (Java SE Development Kit). For Java developers. Includes a complete JRE plus tools for developing, debugging, and monitoring Java applications.
Administrators running applications on a server:server JRE (Server Java Runtime Environment) For deploying Java applications on servers. Includes tools for JVMS monitoring and tools commonly required for server applications, but does not include browser Integr ation (The Java plug-in), Auto-update, nor an installer. Learn More
End user running Java on a desktop:jre: (Java Runtime Environment). Covers most end-users needs. Contains everything required to run Java applications on your system.
This article is from the "GONE with the Wind" blog, please be sure to keep this source http://h2appy.blog.51cto.com/609721/1746836
Selection of JRE and JDK versions