Java software allows you to run applications called

Java Runtime Environment for Mac

Java Runtime Environment for Mac

  -  88.7 MB  -  Freeware
  • Latest Version

    Java JRE 8 Update 421 LATEST

  • Review by

    Juan Garcia

  • Operating System

    Mac OS X 10.7 or later

  • User Rating

    Click to vote
  • Author / Product

    Oracle / External Link

  • Filename

    jre-8u421-macosx-x64.dmg

  • MD5 Checksum

    609ab23e38b195b465c214c8acef99eb

Java Runtime Environment for Mac (also known as JRE) is a popular and widely supported software layer that runs on top of a computer's operating system and provides all the necessary resources and software libraries for Java programs to run. It is a crucial component of the Java Development Kit (JDK), which is used for developing and running Java applications on all modern computer platforms, including Windows, Mac, and Linux. By providing a consistent runtime environment, the JRE enables both novice and seasoned developers to write code once and run it on any platform that supports the JRE, without the need for platform-specific code.

This package combines Java code with the required libraries and creates an instance of the Java Virtual Machine (JVM) that executes the resulting program. This all-in-one approach allows all legacy and modern Java programs to run on any operating system without modification, making the JRE an essential cross-platform compatible tool on the modern market.

One of the primary use cases for this software platform is in the development and execution of Java-based applications. This includes web applications, mobile applications, and desktop applications, as well as applets (plugins or extensions) that run inside web browsers.

Features
  • Platform-independent runtime environment for Java programs.
  • Integration with the Java Development Kit (JDK).
  • Support for various Java Virtual Machines (JVMs).
  • Dynamic loading of Java classes and resources.
  • Integration with development tools and libraries.
  • Extensive official and community support.
Installation and Setup

To install this app platform on a Mac computer, users must follow the instructions presented by the official installer that are distributed on the official Java.com website or here from the secure FileHorse servers.

Since this package integrates deeply inside the OS and provides crucial app execution code for modern browsers, users are required to have administrator privileges to finish the installation procedure. Users should also be aware that JRE can only run on 64-bit processors (both Intel and Apple Silicon) and that there is no support for single-user basis installation. The package can only be deployed for all users on a Mac.

How to Use

Once installed, the JRE for macOS can be used to run any Java-based application or applet. This can be done by double-clicking the Java file or by opening a terminal window and navigating to the directory containing the Java program. Users can then execute the program using the Java command followed by the name of the Java class.

The comprehensive help resources for JRE and other Java components are hosted on the official Java website, with extensive community resources hosted all over the web.

User Interface

This app platform does not have a standalone user interface, as it is designed to run in the background and provide resources for Java programs that request them. However, it may be accessed through the Java Development Kit (JDK) or other development tools that interact with the JRE.

FAQ

What is Java Runtime Environment?
It’s a software layer that provides the necessary resources for Java programs to run on various operating systems.

Is it safe?
Yes. This is a reliable software package used by dozens of millions of users all around the world on all major computer platforms. However, it is essential to install it only from a trusted source to avoid giving an unreliable installer access to administrative privileges.

Alternatives

.NET Runtime – A similar widely used runtime environment for Microsoft’s .NET applications.
Python – A popular programming language that comes with its runtime environment called “PyPy”.

Pricing

This product is available to all users for free. It can be downloaded manually as a standalone package, and it also comes as a part of a Java Development Kit (JDK).

System Requirements

This application environment platform requires minimal system resources and can run on all modern and legacy Macs running macOS 10.7.3 (Lion) for Intel processors and macOS 12 for M-series processors.

JRE is optimized only for 64-bit processors, and it also can’t run inside 32-bit web browsers (64-bit Safari is recommended).

PROS
  • Platform-independent Java applications environment.
  • One of the world’s most popular app software layers.
  • Full integration with the Java Development Kit (JDK).
  • Comprehensive support for various Java Virtual Machines (JVMs).
  • Dynamic loading of Java classes and resources.
  • Integration with external development tools and libraries.
CONS
  • High memory consumption.
  • Java Virtual Machine can impact the performance of weaker Mac hardware.
  • No native GUI.
Conclusion

The Java Runtime Environment for Mac is an essential tool for both developers and general Mac users who work with Java-based applications. Its ability to provide a consistent runtime environment across various platforms makes it a valuable asset for creating and executing Java programs, and an essential OS and browser component for users who want to experience the full potential of web content.

Note: Requires 64-bit web browser. Administrator privileges for installation.

Also Available: Download Java Runtime Environment for Windows

  • Java JRE 8 Update 421 Screenshots

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    Java JRE 8 Update 421 Screenshot 1
  • Java JRE 8 Update 421 Screenshot 2
  • Java JRE 8 Update 421 Screenshot 3

What's new in this version:

New Features:
install/install ➜ Adding Debug Log Files in macOS for Java Updater and JCP (JDK-8319745 (not public)):
- Debug log files for Java Updater and JCP have been added to the directory $HOME/Library/Application Support/Oracle/Java/Java Updater/ for macOS x64 and aarch64. Logs for Java Updater and JCP are separated into two log files: JavaUpdaterLog.txt and JCPUpdateLog.txt.
- JavaUpdaterLog.txt is generated and logs debug lines if it does not already exist when Java Updater is run. Likewise, JCPUpdateLog.txt is generated and logs debug lines if it does not already exist when Java Control Panel is run.
- If a log file already exists for Java Updater or JCP, the newly logged debug lines are appended at the end of the log file. Each log session has a header with a timestamp of when the application was run.

security-libs/java.security ➜ New Security Category for -XshowSettings Launcher Option (JDK-8281658):
The -XshowSettings launcher has a new security category. Settings from security properties, security providers and TLS related settings are displayed with this option. A security sub-category can be passed as an argument to the security category option. See the output from java -X:
- -XshowSettings:security
- show all security settings and continue
- -XshowSettings:security:*sub-category*

show settings for the specified security sub-category and continue. Possible *sub-category* arguments for this option include:
- all: show all security settings and continue
- properties: show security properties and continue
- providers: show static security provider settings and continue
- tls: show TLS related security settings and continue
- Third party security provider details will be reported if they are included in the application class path or module path and such providers are configured in the java.security file.