oracle JRE

Version:

1.8.0.152, 1.7.0.72

Category:

lang

Cluster:

Loki

Author / Distributor

https://www.oracle.com/java/technologies/javase-downloads.html

Description

Oracle JRE (Java Runtime Environment) provides the libraries, Java Virtual Machine (JVM), and other components required to run Java applications. Unlike the full JDK, the JRE does not include development tools like compilers or debuggers. It is intended for executing Java-based programs.

Documentation

$ java -help

Commands:
  - java    : Launch Java applications (.class, .jar)
  - keytool : Manage security certificates
  - policytool: Edit Java security policy files

Check version:
  $ java -version

  Output example:
  java version "1.8.0_152"
  Java(TM) SE Runtime Environment (build 1.8.0_152-b16)
  Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode)

Examples/Usage

  • Load the Oracle JRE module (Java 8):

$ module load oracle-jre/1.8.0.152

  • Run a Java application:

$ java -jar myapplication.jar

  • Load the Oracle JRE module (Java 7):

$ module load oracle-jre/1.7.0.72

  • Use a .class file:

$ java HelloWorld

  • Unload the module:

$ module unload oracle-jre/1.8.0.152
$ module unload oracle-jre/1.7.0.72

Installation

Official download page: https://www.oracle.com/java/technologies/javase-downloads.html