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Installing Oracle (Sun) Java on Ubuntu 12.04

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On Ubuntu 12.04, only OpenJDK is available by default. I wanted to try IntelliJ this time, and when I installed it, the startup warning recommended Sun Java, so I decided to install it.

sudoaddaptrepositoryppa:webupd8team/javasudo add-apt-repository ppa:webupd8team/java sudo apt-get update $ sudo apt-get install oracle-java7-installer

After entering the commands above, the Java installer starts. Just follow the prompts. Once the installation is finished, check the Java version with the command below.

$ java -version

If it prints something like the following, the installation succeeded.

java version "1.7.0_07" Java(TM) SE Runtime Environment (build 1.7.0_07-b10) Java HotSpot(TM) Client VM (build 23.3-b01, mixed mode)