![]() Then select the Path system variable and click Edit. Give the new system variable the name JAVA_HOME and the value C:\Program Files\Java\jdk1.7.0_79 (depending on your JDK installation path it varies). In Windows 7, right-click on Computer -> Properties -> Advanced system settings then in the Advanced tab, click Environment Variables. TIP2: There is also a faster way to access the Environment Variables: press Win+ R keys, paste the following %windir%\System32\rundll32.exe sysdm.cpl,EditEnvironmentVariables and press ENTER TIP: The tool "Rapid Environment Editor" (freeware) is great for modifying the environment variables and useful in that case Paste the path of the bin folder in the variable value.Righ-click on "My computer" and click on properties.NOTE: You might have to run the command line as admin It is important to note that these changes are only temporary from programs launched from this cmd. You can check that path is set if not error has been raised. Write in cmd : set path=C:\Program Files\Java\jdk1.8.0_121\bin.Javac is not recognized as internal or external command, operable program or batch file. If java is not installed, then you will see message: So it's best to remove C:\ProgramData\Oracle\Java\javapath from the Path system environment variable in order to have a consistent environment. I anecdotally noticed that the links in that directory didn't get updated during an JDK installation update. When JDK is installed, it adds to the system environment variable Path an entry C:\ProgramData\Oracle\Java\javapath.This has saved a lot of headaches when wirking with my own code and that of others, which unfortunately often assume the (sane) default encoding UTF-8. This ensures that Java (and tools such as Maven) will run with a faultCharset() of UTF-8 (instead of the default Windows-1252). Add a user environment variable JAVA_TOOL_OPTIONS with value -Dfile.encoding="UTF-8".There is a blogpost explaining the rationale behind all these environment variables. Just point JAVA_HOME to the fresh installation. This makes it easy to update your environment variables when updating the JDK. Notice that these environment variables are derived from the "root" environment variable JAVA_HOME. Note for Windows users on 64-bit systems: Progra~1 = 'Program Files' ![]() PATH : your-unique-entries %JAVA_HOME%\bin (make sure that the longish your-unique-entries does not contain any other references to another Java installation folder.Set the following user environment variables (= environment variables of type user variables) Java SE Development Kit 8u112 on a 64-bit Windows 7 or Windows 8 ![]()
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