This internal JVM is used to run the IDE itself. So your downloaded JVM would not actually be running your IDE. IDE uses its own JVMīe aware that some IDEs such as IntelliJ come bundled with their own Java implementation. …to verify your newly installed Java implementation. No additional configuration needed.Īfter the installer is done, in a terminal app run: java -version I have always found that after using an installer to install a Java implementation on macOS, the correct paths are already set for me. Obviously, be very careful with changing your path, you don't want other programs to break, so make sure you simply add the desired JDK path in front of your original variable, so that the only related program, java, has a change. Most likely you may want to add the path to your desired JDK in the beginning of your existing $PATH variable. The first command adds to the end of your path, the second adds to the beginning. In order to amend your path you will add a command similar to the following to one of the bash profile files for your system: export PATH=$PATH:/ In order to view your current path, you can run echo $PATH Quite simply, if the version you do NOT want is the one that appears when you run java -v or which java then you must add the path to the desired JDK to your $PATH as mentioned. There is a convention you can read about regarding where you should do it. (Note these are the files for my system, macOS, but the profile files may be different for Linux installations, I simply do not know). If you have multiple versions installed, you can amend your $PATH variable inside either. If you would like to view all Java JDK versions that you have installed, you can run the first command mentioned with the -V (verbose) flag, and it will list the paths to all you have installed. Which will show you the current version of the first JDK that your path encounters. This will return the default Java jdk you currently have installed. The easiest way to determine what java installations you currently have installed is by running: /usr/libexec/java_home
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