
The following are the system requirements for installing the JDK and the JRE on macOS:


Any Intel-based computer running macOS.
Administrator privileges.
You cannot install Java for a single user. Installing the JDK and JRE on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK and JRE on macOS.
When you install the JDK, it also installs the JRE. However, the system will not replace the current JRE with a lower version.
To determine the current JRE version installed on your system, see Determining the JRE Version Installed on macOS. To install an earlier version of the JRE, you must first uninstall the current version. See Uninstalling the JRE on macOS.
When you install the JRE, you can install only one JRE on your system at a time. The system will not install a JRE that has an earlier version than the current version.
To determine the current JRE version installed on your system, see Determining the JRE Version Installed on macOS. To install an earlier version of the JRE, you must first uninstall the current version. See Uninstalling the JRE on macOS.
Note:
Installing a JRE from Oracle will not update
java -versionsymlinks or addjavato your path. To do this, you must install the JDK.
Java Runtime Environment works smoothly, whether you are using a laptop or a scientific supercomputer, and supports such major platforms as Windows, Linux and Mac. Visit Java Runtime Environment site and Download Java Runtime Environment Latest Version!

Get Java For Your Mac - Apple Support
- If you are interested the game Minecraft, then you need to run Java, we have exactly the right version and you can download it for free.
- The JRE installation includes the JavaFX Runtime which is incorporated into the same directory structure. Installation of the 64-bit JRE on Mac Platforms. Depending on your processor, the downloaded file has one of the following names: jre-7u-macosx-amd64.dmg; jre-7u-macosx-x64.dmg; Where is 6 or later.
- Java Plug-in technology, included as part of the Java 2 Runtime Environment, Standard Edition (JRE), establishes a connection between popular browsers and the Java platform. Java allows applications to be downloaded over a network and run within a guarded sandbox.