Note : This is applicable for Any Java Version and Any Ubuntu Version
- Download the JDK disiered version and extract the .bin file
- Move the extracted folder to the default JVM folder
- Install new java source in system:
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0_15/bin/javac 1 sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_15/bin/java 1 sudo update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7.0_15/bin/javaws 1
- Select default java:
sudo update-alternatives --config javac sudo update-alternatives --config java sudo update-alternatives --config javaws
- Test the updated java version:
java -version
- Verify the all point to the new java location:
ls -la /etc/alternatives/java*
There is a GUI tool in Ubuntu called "Alternative Configurator" which you can manually
update above.
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