Install Oracle Java 7u75/76 on Fedora 21/20, CentOS/RHEL 7/6.6/5.11

Please note: This guide still working normally if you want install Sun/Oracle Java 7, but if you want Java 8 version, then check Install Oracle Java JDK/JRE 8 on Fedora, CentOS/RHEL.

This is guide, howto Install Sun/Oracle Java JDK and JRE 7 CPU (7u75) and PSU (7u76) on Fedora 21/20/19/18/17/16/15/14/13/12, CentOS 7/6.6/5.11, Red Hat (RHEL) 7/6.6/5.11. Read more, what is difference between CPU and PSU release.

If you’re looking instruction for Sun/Oracle Java JDK/JRE version 6 installation on Fedora 20/19/18, CentOS/Red Hat (RHEL) 6.5/5.10, please check this guide.

What’s new in Sun/Oracle Java 7

  • VM
    • Compressed 64-bit object pointers
    • Garbage-First GC (G1)
    • JSR 292: VM support for non-Java languages (InvokeDynamic)
  • Lang
    • JSR 294: Language and VM support for modular programming
    • JSR 308: Annotations on Java types
    • JSR TBD: Small language enhancements (Project Coin)
    • JSR TBD: Project Lambda
  • Core
    • Modularization (Project Jigsaw)
    • Upgrade class-loader architecture
    • Method to close a URLClassLoader
    • Unicode 5.1
    • Concurrency and collections updates (jsr166y)
    • JSR 203: More new I/O APIs for the Java platform (NIO.2)
    • SCTP (Stream Control Transmission Protocol)
    • SDP (Sockets Direct Protocol)
    • Elliptic-curve cryptography (ECC)
  • Client
    • XRender pipeline for Java 2D
    • Nimbus look-and-feel for Swing
    • Swing JLayer component
  • Web
    • Update the XML stack

Read full info from here.

Install Sun/Oracle Java JDK/JRE 7u75/76 on Fedora 21/20/19/18, CentOS/Red Hat (RHEL) 7/6.6/5.11

1. Download Sun/Oracle Java JDK/JRE 7u75/76 32-bit/64-bit RPM packages

Download Sun/Oracle Java 7u75 or 7u76 from here Select rpm package (jdk-7u75-linux-i586.rpm, jdk-7u75-linux-x64.rpm, jre-7u75-linux-i586.rpm or jre-7u75-linux-x64.rpm) or (jdk-7u76-linux-i586.rpm, jdk-7u76-linux-x64.rpm, jre-7u76-linux-i586.rpm or jre-7u76-linux-x64.rpm).

2. Change to root user.

3. Install Java JDK or JRE package

4a. Install Sun/Oracle JDK java, javaws, (for Firefox/Mozilla) and javac with alternatives –install command

Use Java JDK latest version (/usr/java/latest)

Use Java JDK CPU absolute version (/usr/java/jdk1.7.0_75)

Use Java JDK PSU absolute version (/usr/java/jdk1.7.0_76)

4b. Install Sun/Oracle JRE java, javaws and (for Firefox/Mozilla) with alternatives –install command

Use Java JRE latest version (/usr/java/latest)

Use Java JRE CPU absolute version (/usr/java/jre1.7.0_75)

Use Java JRE PSU absolute version (/usr/java/jre1.7.0_76)

5. Check current java, javac, javaws and versions

Note: Check with restarting Mozilla Firefox and writing about:plugins on address bar.
Java 7 Browser Plugin Fedora 18 Firefox 17

Java 7 console output on Fedora 18:
Java 7 on Fedora 18 Console Output

6. Swap between OpenJDK and Sun/Oracle Java JDK/JRE 6 and 7 versions


Note: java with [+] is currently on use


Note: java with [+] is currently on use (32-bit) (64-bit)


Note: java with [+] is currently on use

Post-Installation Setup

Add JAVA_HOME environment variable to /etc/profile file or $HOME/.bash_profile file

Java JDK and JRE latest version (/usr/java/latest)

Java JDK and JRE absolute version (/usr/java/jdk1.7.0_75)

Java JDK and JRE absolute version (/usr/java/jdk1.7.0_76)

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  1. Hello, nice tutorial.

    I have a issue, I want to know how can I remove any version of JAVA installed in my System manually and sets my system cleans that the first time?.




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