How to Install JDK under Linux

How to Install JDK under Linux

The following instruction shows the steps to install JDK1.5 64bit on CentOS 4/5:

- Get the package

  Download JDK1.5 linux 64bit binary package (jdk-1_5_0_16-linux-amd64.bin) from Sun website.  

- Install

  1. Log in as root;

  2. Copy the jdk-1_5_0_16-linux-amd64.bin to /usr/local/lib64;

  3. Add execute permit on it and run it to extract:

     # chmod +x jdk-1_5_0_16-linux-amd64.bin
     # ./jdk-1_5_0_16-linux-amd64.bin

     The binary code license is displayed. Enter "yes" to continue.

     The JDK files are installed in /usr/local/lib64/jdk1.5.0_16

  4. Delete the binary package to release disk space:

     # rm jdk-1_5_0_16-linux-amd64.bin

- Set envirenment

  1. Log in as root;

  2. Edit /etc/user.bashrc to add following lines:

     # JDK path
     if [ -d /usr/local/lib64/jdk1.5.0_16 ]
     then
        export JAVA_HOME=/usr/local/lib64/jdk1.5.0_16
     fi

- Test installation

  1. Log in as normal user;

  2. Run the following command:
     $ java -version

     Java version information should be displayed.