On the Mac, you will need to enter your password and then press the Install Software button: Notice it skips the install location because the destination folder on the Mac is pre-configured. This opens the installation window and click Continue button: When the download is completed, you can find the installation file for the JDK 8 in the Downloads section of Finder:ĭouble click on the installation file which in our case is jdk-8u71-macosx-圆4.dmg. Then double click on the package icon to start the installation: At the time of this tutorial, the latest JDK is version 8, commonly known as JDK 8 for short.Ĭlick Accept license agreement and then select Mac OS X to start the download:.If you don't have a JDK installed, proceed to the Oracle website to download the JDK installer If you are running an older version of Windows, you can follow the instructions from this link to check the bit version of your operating system.From the Windows Start menu, select Settings and then the About menu: If instead, you do not have a JDK installed, you will need to check if your Windows operating system is running a 32 bit or 64 bit version. Next, to confirm that you have the JDK already installed on your Windows computer, type in the following command in the Windows Command Prompt window: java -version

This will then open up the Windows Command Prompt as follows: This will bring up a list of matching items and click or press enter on the Command Prompt item as shown below: Open a Command Prompt window by going to the Windows Start menu and type in cmd in the search box. If you see a Java version printed on the screen, you've already got the runtime! You can now skip the rest of this tutorial and move on to the next tutorial: Install IntelliJ IDE. Next, to confirm that you have Java already installed, type the following command in the terminal window: java -version

In the Spotlight search textbox, type in Terminal and then hit enter to open it: If you do not have a terminal icon as shown above, click on the search icon in the top right corner of the Mac menu bar in order to open the Spotlight search: To confirm, open a terminal window by clicking on the terminal icon: If you are using a Mac, you may already have the JDK installed.

You can find detailed instructions for installing an OpenJDK version here. As a reminder, with the license agreement changes for the OracleJDK, you may also consider using the open-source OpenJDK instead. In this tutorial, we will go over how to install the Java Development Kit, also known as the JDK.

Java se development kit 8 install