This tutorial has everything you need to know about installing JDK 8 on Windows.

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Liberica JDK provides Long term Support for all of its open source builds that act as alternatives for Java application development toolkits. The Liberica OpenJDK package with the HotSpot Virtual Machine viably replaces the Java 8 (LTS), 9, 10, 11 (LTS), 12, 13, 14, 15. Here you can download the Java JDK 1.8. After installing it, it should appear as an option inside IntelliJ. UPDATE: Find File - Project structure menu and go to Project Settings - Project tab. If on Project SDK the Java version 1.8 SDK is not selected, change it and click OK.

If you’re new to Java, I’ll show you how to setup the Java Development Kit.

And if you’re a Java pro? I’ll highlight the needed links that you can use to download the installer.

Bottom line:

If you want to get up and running with Java, you’ll love this tutorial.

Java is a computer programming language that is concurrent, class-based and object-oriented. Java applications compile to bytecode (class file) that can then run on a Java Virtual Machine (JVM).

James Gosling created Java at Sun Microsystems. It is currently owned by the Oracle Corporation.

Consult following posts if you are looking to download and install JDK 1.5, JDK 1.6, JDK 1.7, JDK 1.9 or JDK 1.10.

Java can be obtained from the Oracle Java download page. There are a number of different Java packages available, for this tutorial we will be installing Java Standard Edition (SE) on Windows.

In order to be able to compile Java code, we need the Java Development Kit (JDK) package that comes with a Java compiler. The JDK package also comes with a Java runtime environment (JRE) that is needed to run compiled Java code.

Scroll to the Java SE 8u171/ 8u172 section in the middle of the Oracle Java download page and click on the Download button right below JDK. Then look for the Java SE Development Kit 8u172 section.

Here is the direct link to download the jdk 8u172 installer for Windows 32 or 64 bit.

Accept the License Agreement and pick the correct download for your operating system. In this example, we will use the Windows 64 bit version.

Sign in using your Oracle account (or create a new one) and the download should start. Once the download is complete, locate the jdk-8u172-windows-x64.exe file and double-click to run the installer.

Click Next and on the following screen optionally change the installation location by clicking on the Change.. button. In this example the default install location of 'C:Program FilesJavajdk1.8.0_172' was kept. From now on we will refer to this directory as: [java_install_dir].

We will not install the public JRE as the JDK Development tools include a private JRE that can run developed code. Select the Public JRE dropdown and click on This feature will not be available. as shown below.

Click Next and then Close to finish installing Java.

In order for Java applications to be able to run we need to setup a 'JAVA_HOME' environment variable that will point to the Java installation directory. In addition, if we want to run Java commands from a command prompt we need to setup the 'PATH' environment variable to contain the Java bin directory.

Osx ssh client. What Are SSH Clients for Windows, Mac, and Unix PuTTY is a free open-source terminal emulator which lets you initiate interactive command-line sessions to UITS Unix servers. It can act as a client for the SSH, Telnet, rlogin, and raw TCP computing protocols and as a serial console client. Cyberduck is a file transfer client for Apple Mac, supporting SSH, SFTP, and FTP. Using the built-in SSH client in Mac OS X Mac OS X includes a command-line SSH client as part of the operating system. To use it, goto Finder, and selext Go - Utilities from.

When using Windows the above parameters can be configured on the Environment Variables panel. Click on the Windows Start button and enter “env” without quotes as shown below.

Environment variables can be set at account level or at system level. For this example click on Edit environment variables for your account and following panel should appear.

Click on the New button and enter “JAVA_HOME” as variable name and the [java_install_dir] as variable value. In this tutorial the installation directory is 'C:Program FilesJavajdk1.8.0_172'. Click OK to to save.

Click on the New button and enter “PATH” as variable name and “%JAVA_HOME%bin” as variable value. Click OK to save.

Note that in case a 'PATH' variable is already present you can add “;%JAVA_HOME%bin” at the end of the variable value.

The result should be as shown below. Click OK to close the environment variables panel.

In order to test the above configuration, open a command prompt by clicking on the Windows Start button and typing “cmd” followed by pressing ENTER. A new command prompt should open in which the following command can be entered to verify the installed Java version:

The result should be as shown below.

This concludes the setting up and configuring JDK 1.8 on Windows.

If you found this post helpful or have any questions or remarks, please leave a comment.

This topic includes the following sections:

System Requirements for Installing the JDK on macOS

The following are the system requirements for installing the JDK on macOS:

Any Intel-based computer running macOS.
Administrator privileges.
You cannot install Java for a single user. Installing the JDK on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK on macOS.

Determining the Default JDK Version on macOS

When starting a Java application through the command line, the system uses the default JDK.

There can be multiple JDKs installed on the macOS system.

You can determine which version of the JDK is the default by entering java -version in a Terminal window. If the installed version is 13 Interim 0, Update 0, and Patch 0, then you see a string that includes the text 13. For example:

To run a different version of Java, either specify the full path, or use the java_home tool. For example:

$ /usr/libexec/java_home -v 13 --exec javac -version

Installing the JDK on macOS

Download the JDK .dmg file, jdk-13.interim.update.patch_osx-x64_bin.dmg.
Before the file can be downloaded, you must accept the license agreement.
From either the browser Downloads window or from the file browser, double-click the .dmg file to start it.
A Finder window appears that contains an icon of an open box and the name of the .pkg file.
Double-click the JDK 13.pkg icon to start the installation application.
The installation application displays the Introduction window.
Click Continue.
Click Install.
A window appears that displays the message: Installer is trying to install new software. Enter your password to allow this.
Enter the Administrator user name and password and click Install Software.
The software is installed and a confirmation window is displayed.

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After the software is installed, you can delete the .dmg file if you want to save disk space.

Uninstalling the JDK on macOS

You must have Administrator privileges.

Note:

Do not attempt to uninstall Java by removing the Java tools from /usr/bin. This directory is part of the system software and any changes will be reset by Apple the next time that you perform an update of the OS. <

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