Your question: How do I install a specific version of Java in Ubuntu?

How do I install Java 1.8 on ubuntu?

Follow the below steps to install Java 8 on Ubuntu via the command line.

  1. Step 1 – Install Java 8 on Ubuntu. The OpenJDK 8 is available under default Apt repositories. …
  2. Step 2 – Verify Java Installation. You have successfully installed Java 8 on your system. …
  3. Step 3 – Setup JAVA_HOME and JRE_HOME Variable.

How do I download a specific version of Java?

How can I download an older versions of Java? Visit the Java Archive Download Page to get other versions of Java. We recommended installing the latest version of Java from java.com.

How do I install Java 1.8 on ubuntu 14?

Step #2: The Installation

  1. Update apt-get once more:
  2. sudo apt-get update.
  3. Kick off the installer to completely install Java from the PPA.
  4. sudo apt-get install oracle-java8-installer.
  5. Be sure to accept the Oracle license!
  6. Now verify that Java is installed and is of version 1.8.x:
  7. java -version.

How do I install an older version of Java on Linux?

apt-get install -d sun-java-jdk / openjdk-6-jdk — the -d will only download the file into your /var/cache/apt/arhives folder. dpkg -i –force-downgrade /var/cache/apt/archives/sun-java-jdk (the version # that you have). Lock Version in Synaptic so ubuntu doesn’t try to upgrade it again.

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How do I choose java version in Linux?

To switch between installed java versions, use the update-java-alternatives command. … where /path/to/java/version is one of those listed by the previous command (e.g. /usr/lib/jvm/java-7-openjdk-amd64 ).

How do I install an older version of Java?

Information

  1. Step 1: Uninstall current version of Java. Access the Control Panel: In Windows 7 select the Windows button, then select Control Panel. …
  2. Step 2: Install desired version of Java. Go to Oracle’s Java SE 8 Archive Downloads page and locate the desired version of Java.

Is Java 8 and Java 1.8 the same?

In JDK 8 and JRE 8, the version strings are 1.8 and 1.8. … Here are some examples where the version string is used: java -version (among other information, returns java version “1.8. 0” )

What is java8?

Java 8 is a revolutionary release of the world’s #1 development platform. It includes a huge upgrade to the Java programming model and a coordinated evolution of the JVM, Java language, and libraries. … Welcome to the latest iteration of the largest, open, standards-based, community-driven platform.

How do I install Java on Ubuntu 14.04 32 bit?

Change to the directory in which you want to install.

  1. Change to the directory in which you want to install. Type: cd directory_path_name. …
  2. Move the . tar. gz archive binary to the current directory.
  3. Unpack the tarball and install Java. tar zxvf jre-8u73-linux-i586.tar.gz. …
  4. Delete the . tar.

Can not add PPA?

Fix Cannot add PPA error in Ubuntu and Linux Mint

There can be mainly two reasons behind this kind of error. Either the CA certificates on your system are broken or there is a proxy set up in your network. This will get the PPA working.

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How do I find my Ubuntu version?

Open your terminal either by using the Ctrl+Alt+T keyboard shortcut or by clicking on the terminal icon. Use the lsb_release -a command to display the Ubuntu version. Your Ubuntu version will be shown in the Description line.

How do I downgrade my Java version in Ubuntu?

1 Answer

  1. You have to install the openjdk-8-jre : sudo apt-get install openjdk-8-jre.
  2. Next switch to the jre-8 version: $ sudo update-alternatives –config java There are 2 choices for the alternative java (providing /usr/bin/java).

How do I rollback a Java update?

Open the Windows Control Panel and choose Program and Features (Windows 7). Locate the installed Java update and click uninstall to remove. Once the removal process completed, you may need to restart your computer.

How do I check my version of Java?

Type “java -version” into the Command Prompt, then press Enter on your keyboard. After a moment, your screen should display the information your computer has about Java, including what version you have installed.

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