Installing Open JDK 8 on Ubuntu
DevOps engineers usually want to install and configure **Open JDK 8** on Ubuntu systems. These instructions show how to install Open JDK on Ubuntu as shown below:
1. Check your installed JDK version on the current system that is used:
java -version
The result should be something like this:
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openjdk version "1.8.0_272"
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OpenJDK Runtime Environment (build 1.8.0_272-8u272-b10-0ubuntu1~20.04-b10)
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OpenJDK 64-Bit Server VM (build 25.272-b10, mixed mode)
2. Update the repositories and system packages on Ubuntu:
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sudo apt-get update
3. Install OpenJDK and latest JDK will be installed:
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sudo apt-get install openjdk-8-jdk
4. Verify the version of the JDK:
java -version
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openjdk version "1.8.0_272"
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OpenJDK Runtime Environment (build 1.8.0_272-8u272-b10-0ubuntu1~20.04-b10)
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OpenJDK 64-Bit Server VM (build 25.272-b10, mixed mode)
5. If the correct version of Java is not being used, use the alternatives command to switch it easily:
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sudo update-alternatives --set java /usr/lib/jvm/jdk1.8.0_272/bin/java
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Java (programming language)
Java Development Kit
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