Since Java is an optional package on the latest version of OS X, starting from OSX 10.7 (Lion), you need to either install Oracle JDK or choose this optional package. In this article, you will learn how to set JAVAHOME environment variable in different Mac OS X versions e.g. Mac OS X 10.7 Lion Mac OS X 10.8 Mountain Lion Mac OS X 10.9 Mavericks. Hi all – i tried the above sequence of steps – below output: Michaels-MacBook-Pro: mhasse$ $ vim.bashprofile-bash: $: command not found.

In this article, you will understand the details about JAVA_HOME environment variable and how to set it on Windows 10. What is JAVA_HOME?By convention, JAVA_HOME is the name of an environment variable on the operating system that points to the installation directory of JDK (Java Development Kit) or JRE (Java Runtime Environment) – thus the name Java Home. For example:Why is JAVA_HOME needed?To develop Java applications, you need to update the PATH environment variable of the operating system so development tools like Eclipse, NetBeans, Tomcat… can be executed because these programs need JDK/JRE to function. So the PATH environment variable should include JAVA_HOME:Other paths are set by various programs installed in the operating system. If the PATH environment variable doesn’t contain a path to JRE/JDK, a Java-based program might not be able to run. For example, typing java in the command prompt showing this error:Or Eclipse will fail to launch:How to set JAVA_HOME on Windows 10Here are the visual steps to properly set value for the JAVA_HOME and update the PATH environment variables in order to setup Java development environment on your computer:1. Firstly, you need to identify the Java home directory, which is typically under C:Program FilesJavadirectory. Open My Computer and navigate to this directory, you will see:

Here, the home of JDK is under C:Program FilesJavajdk1.80_201. The version number may vary, depending on the JDK you installed.

2. Open the System Environment Variables dialog by typing environment in the search area on Start menu. Click the suggested item Edit the system environment variables:

The System Properties dialog appears, click the button Environment Variables.

Then you will see this dialog:

3.Create the JAVA_HOME environment variable by clicking the New button at the bottom. In the New System Variable form, enter the name and value as follows:Click OK, and you will see the JAVA_HOME variable is added to the list.4.Update the PATH system variable. In the Environment Variables dialog, select the Path variable and click Edit:Then in the Edit environment variable dialog, double click on the empty row just below the last text line, and enter %JAVA_HOME%bin as follows:The percent signs tell Windows that it refers to a variable – JAVA_HOME, and the bin specifies the location of java.exe and javac.exe programs which are used to run and compile Java programs, as well as other tools in the JDK.Click OK button to close all the dialogs, and you’re all set. Now you can open Eclipse or NetBeans to verify. Or open a command prompt and type in javac –version, you should see:

Mac Set Java Path

NOTES:You can add the path to the bin directory of Java home directly into the PATH variable. But it’s strongly recommend to follow the above steps to setup a JAVA_HOME variable because many Java programs depend on it.When you installed a JDK, you might not need to update the system variable because the installer already did it for you.Learn more:

Set Java Home Mac

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Once you have installed JDK version on your windows machine, you have to set up Environment Variables.

Set Environment Variables On Mac

Please find below steps to set the java path

Go to My Computer ---> Right Click on it ---> Advanced System Settings ---> Advanced Tab ---> Click on Environment Variables

Set Environment Variable For Java In Mac Operating System

• Now you have to alter the “Path” variable under system variables such that it contains a path to Java Environment. Select the path variable and click on the “Edit” button

Java Environment Settings For Windows

• By default, Java is installed in “C:Program FilesJavajre versionbin” in case you have changed the location of installation, then add that path
• Click on OK button and now to check if the installation is done correctly or not, open command prompt and type “java -version“
• You can see that Java is running on your machine. In order to make sure whether the compiler is setup, type javac in command prompt. You will see a list related to javac.