Java, a runtime environment that works 'behind the scenes' to let you use many Web sites, online services, and applications, is no longer built in with Macintosh operating systems. Apple's October 2012 software update removes the Java plugin from all Web browsers.
Following recent security vulnerabilities with Java, we recommend that Mac OS X users check their version of Java and keep it up-to-date. If Java is not installed, we recommend that you postpone installing it until absolutely necessary. If you currently have Java installed on your computer, but are not using it, we recommend disabling it. More...
Download Java Runtime Environment (JRE) for Windows to run Java applications on your Windows computer. Java Runtime Environment (JRE) has had 2 updates within the past 6 months. Using Java SE on macOS Catalina With macOS 10.15, Apple introduced new application security checks, which are used by Gatekeeper to verify the contents of distributed software. When you install or run software for the first time, Gatekeeper verifies that the software has been notarized.
- Java, a runtime environment that works 'behind the scenes' to let you use many Web sites, online services, and applications, is no longer built in with Macintosh operating systems.Apple's October 2012 software update removes the Java plugin from all Web browsers. Following recent security vulnerabilities with Java, we recommend that Mac OS X users check their version of Java and keep it up-to.
- Java(TM) SE Runtime Environment (build 1.6.037-b06-4) Java HotSpot(TM) 64-Bit Server VM (build 20.12-b01-434, mixed mode) Not sure what is going on here as this was the Oracle package that.
- Oracle Java for Mac or Java 7 JRE/Java SE Runtime Environment 7 is the official version of Java for Mac by Oracle that allows you to run Java applications and games, both in your web browser and within the OS X Desktop.
Follow the instructions below to download and install the latest version of Java for Mac.
- Verify whether you have the current version of Java through the Java Web Site:
http://www.java.com/en/download/installed.jsp - If you do not have the current version of Java, go to the Download Java for Mac OS X page: http://www.java.com/en/download/mac_download.jsp?locale=en
- Review the End User Agreement, then click Agree and Start Free Download. The file will save to the Downloads folder of your computer.
- On your computer, locate and open (double-click) the Java for Mac installer (jre-7u9-macosx-x64.dmg). A Finder window will open and display the contents of the installer.
- Double-click the JavaForMacOSX10.7.pkg file and follow the wizard’s prompts to install the program on your computer.
Note: You may be asked to enter your computer’s administrator password as part of the installation process. This is not your UMass Amherst IT Account NetID or password, it is the password you use to log into your Mac. If you do not have administrator privileges for your computer, contact your IT administrator. - A confirmation message will appear when the installation is complete. Click Close to exit the Java installer.
You should now be able to use Java-dependent web sites, applications, and resources on your computer and online. If you continue to have problems, contact the IT Help Center.
Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that. As I’m writing this, Java 11.0.4 is the latest version and AdoptOpenJDK is one of the best places to find Prebuilt OpenJDK Binaries. Easy to follow details about how to install OpenJDK are available here.
However, the easiest way is to select OpenJDK 11 (LTS), the HotSpot JVM, and macOS x64, which will expose two option like these:
Clicking on “Install JDK installer”, will download the OpenJDK installer package, e.g. OpenJDK11U-jdk_x64_mac_hotspot_11.0.4_11.pkg, which when executed, will install into this location: /Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk
Almost done. After opening a terminal, the successful installation of the JDK can be confirmed like so:
… hopefully showing something like this:
JAVA_HOME is an important environment variable and it’s important to get it right. Here is a trick that allows me to keep the environment variable current, even after a Java Update was installed. In ~/.zshrc, I set the variable like so:
In previous macOS versions, this was done in ~/.bash_profile. Now it’s done.
Source Code
The source code of the Java Platform, Standard Edition 11 Reference Implementations binaries is available under the GPLv2 in a single zip file.
API Specification
Java Runtime Environment Download Mac Os X
The API Specification of the Java Platform, Standard Edition and Java Development Kit
can be found here: https://docs.oracle.com/en/java/javase/11/docs/api/
.