Installing Java under Linux Envirinement

Steps involved in installing Java under Linux Environment.

  • Download Java installer for your System
  • Install Java on your computer
  • Set environment variables for classpath

  • Downloading and Installing Java in your computer .

    For compiling and running a java program in your system you have to install java platform.Java Development Kit (JDK) is the basic set of tools required to compile and run java programs. Download the latest version from Download Site.

    Click on Download button under JDK

    Accept the license and click on the link opposite to your operating system.Here my operating system is windows 64 bit. so i clicked on jdk-7u9-windows-x64.exe.your download starts now as shown below.

    Installing and configuring Java under Linux

    Now, you have downloaded the latesr version of java for your linux system.You just unpack the archive into a folder under /

    Open the terminal

    Create  folder /usr/java

    #mkdir -p /usr/java

     change the present working directory to /usr/java.

    #cd /usr/java

    Change permission on java installation folder (downloaded one)

    #chmod +X

    Now install with .sh

    #/bin/sh ./

    your java installation will starts.After completion of installation set environmental variables as follows.Set JAVA_HOME as follows.

    #export JAVA_HOME=/usr/java/jdk1.7.0.9

    set PATH variable as follows

    #export PATH=$JAVA_HOME/bin:$PATH

    Check your java version with following utility.

    #which java

    #java -version

    If the above command returning the version you installed, then you installed and configured java correctly under linux environment.
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