Download Java Jdk For MacDownload Java 8 Mac OsCheck that your current JDK version is 1.8. $ java -version java version '1.8.065' Java(TM) SE Runtime Environment (build 1.8.065-b17) Java HotSpot(TM) 64-Bit Server VM (build 25.65-b01, mixed mode) If you are planning to uninstall a JDK version, just remove the folder. In this case, the oldest version. Sudo rm -rf /Library/Java.Method 3 (Mac OS 10...