1 (Worst)
It s also integral to the intranet applications and other e-business solutions that are the foundation of corporate computing. Installing this update will ensure that your Java applications continue to run as safely and efficiently as always.
The
JRE is the Java Runtime Environment, it covers most end-users needs. Contains everything required to run Java applications on your system. It is a package of everything necessary to run a compiled Java program, including the Java Virtual Machine (JVM), the Java Class Library, the java command, and other infrastructure. However, it cannot be used to create new programs.
The
JDK is the Java Development Kit, the full-featured SDK for Java. It has everything the JRE has, but also the compiler (javac) and tools (like javadoc and jdb). It is capable of creating and compiling programs.