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How do I download and install Java JDK on Ubuntu?

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How do I download and install Java JDK on Ubuntu?

depending on the archive type.

  1. JDK 8. Debian, Ubuntu, etc. On the command line, type: $ sudo apt-get install openjdk-8-jre.
  2. JDK 7. Debian, Ubuntu, etc. On the command line, type: $ sudo apt-get install openjdk-7-jre.
  3. JDK 6. Debian, Ubuntu, etc. On the command line, type: $ sudo apt-get install openjdk-6-jre.

Where is Java in Ubuntu?

In generally, java gets installed at /usr/lib/jvm .

How do I run Java?

How to run a java program

  1. Open a command prompt window and go to the directory where you saved the java program (MyFirstJavaProgram. java).
  2. Type ‘javac MyFirstJavaProgram.
  3. Now, type ‘ java MyFirstJavaProgram ‘ to run your program.
  4. You will be able to see the result printed on the window.

How do I install Java on Ubuntu?

The simplest way of installing Java is to utilize the Ubuntu package. However, keep in mind that you cannot choose versions this way. Instead, the system will install the default Java, and also install the Java Runtime Environment. You only need to execute a single command:

How do I install the Java Development Kit on Linux?

You may need the Java Development Kit (JDK) in addition to the JRE in order to compile and run some specific Java-based software. To install the JDK, execute the following command, which will also install the JRE: sudo apt install default-jdk Verify that the JDK is installed by checking the version of javac, the Java compiler: javac -version

What version of Java do I need for Ubuntu?

The easiest option for installing Java is to use the version packaged with Ubuntu. By default, Ubuntu 18.04 includes Open JDK, which is an open-source variant of the JRE and JDK. This package will install either OpenJDK 10 or 11. Prior to September 2018, this will install OpenJDK 10.

How do I install Oracle JDK on Ubuntu?

The command for installing Oracle JDK is the following (the symbol # representing the Java version): sudo apt install oracle-java#-installer For instance, if you want to install Java 10, use the command: sudo apt install oracle-java10-installer

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