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Java-Install.md

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Java

  1. Downlods java

  2. sudo mkdir /usr/lib/jvm

  3. cd /usr/lib/jvm

  4. cp jre-8u351-linux-i586.tar.gz /usr/lib/jvm

  5. sudo tar -xvzf jre-8u351-linux-i586.tar.gz

  6. sudo gedit /etc/environment

  7. Past the line in /etc/environment

    PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games
COMMAND_NOT_FOUND_INSTALL_PROMPT=1
POWERSHELL_UPDATECHECK=Off
POWERSHELL_TELEMETRY_OPTOUT=1
DOTNET_CLI_TELEMETRY_OPTOUT=1
/usr/lib/jvm/jre1.8.0_351/bin
/usr/lib/jvm/jre1.8.0_351/db/bin
/usr/lib/jvm/jre1.8.0_351/jre/bin

 J2SDKDIR="/usr/lib/jvm/jre1.8.0_351"
 J2REDIR="/usr/lib/jvm/jre1.8.0_351/jre"
 JAVA_HOME="/usr/lib/jvm/jre1.8.0_351"
 DERBY_HOME="/usr/lib/jvm/jre1.8.0_351/db"

 PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"

 PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/jvm/jre1.8.0_351/bin:/usr/lib/jvm/jre1.8.0_351/db/bin:/usr/lib/jvm/jre1.8.0_351/jre/bin"
 J2SDKDIR="/usr/lib/jvm/jre1.8.0_351"
 J2REDIR="/usr/lib/jvm/jre1.8.0_351/jre"
 JAVA_HOME="/usr/lib/jvm/jre1.8.0_351"
 DERBY_HOME="/usr/lib/jvm/jre1.8.0_351/db"

  8. Save and close the file.

  9. Enter Following commands in your Terminal

    sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jre1.8.0_351/bin/java" 0
sudo update-alternatives --install "/usr/bin/javac" "javaws" "/usr/lib/jvm/jre1.8.0_351/bin/javaws" 0
sudo update-alternatives --set java /usr/lib/jvm/jre1.8.0_351/bin/java
sudo update-alternatives --set javaws /usr/lib/jvm/jre1.8.0_351/bin/javaws

  10. Verify the setup

    update-alternatives --list java
update-alternatives --list javac

  11. Check the Java Version

    java -version