How to Download and Install JRE 12 on Your Computer
If you want to run Java applications on your computer, you need to have the Java Runtime Environment (JRE) installed. The JRE is a software package that provides the libraries and components required for executing Java programs. In this article, we will show you how to download and install JRE 12, the latest release of the JRE, on your computer. We will also explain what JRE 12 is, why you need it, and how to troubleshoot some common issues.
What is JRE 12 and Why Do You Need It?
JRE 12 is the latest version of the Java Runtime Environment, released by Oracle in March 2023. It is part of the Java SE 12 platform, which includes the Java Development Kit (JDK) and the JavaFX SDK. JRE 12 contains several new features and enhancements that improve the performance, security, and compatibility of Java applications.
download jre 12
JRE 12 Features and Enhancements
Some of the new features and enhancements in JRE 12 are:
A new String class method called transform, which allows applying a function to a string and returning the result.
A new Files class method called mismatch, which compares two files and returns the position of the first mismatched byte.
A new switch expression syntax, which simplifies writing switch statements with multiple cases and expressions.
A new garbage collector called Shenandoah, which reduces pause times by performing more work concurrently with the running Java threads.
A new experimental API for low-level interaction with foreign memory and libraries.
You can find more details about these and other features in the official documentation .
JRE 12 Compatibility and Requirements
JRE 12 is compatible with most of the previous versions of Java, meaning that you can run applications written for older versions of Java on JRE 12. However, some features may have been removed or deprecated in JRE 12, so you may need to update your code or use a third-party tool to ensure compatibility. You can check the list of removed or deprecated features in the release notes.
JRE 12 also has some minimum system requirements that you need to meet before installing it on your computer. These are:
Operating SystemRAMDisk SpaceProcessorBrowsers
Windows Server 2019/2016/2012 R2/2012/2008 R2 SP1128 MB124 MB for JRE; 2 MB for Java UpdatePentium 2 266 MHz or higherInternet Explorer 9 or higher, Microsoft Edge, Firefox, Chrome
Mac OS X (10.7.3 or higher)N/A86.39 MBIntel-based MacSafari, Firefox, Chrome
Linux (various distributions)N/A76.84 MB - 95.71 MB depending on distributionPentium 2 266 MHz or higherFirefox, Chrome
Solaris (SP How to Download and Install JRE 12 on Your Computer
If you want to run Java applications on your computer, you need to have the Java Runtime Environment (JRE) installed. The JRE is a software package that provides the libraries and components required for executing Java programs. In this article, we will show you how to download and install JRE 12, the latest release of the JRE, on your computer. We will also explain what JRE 12 is, why you need it, and how to troubleshoot some common issues.
What is JRE 12 and Why Do You Need It?
JRE 12 is the latest version of the Java Runtime Environment, released by Oracle in March 2023. It is part of the Java SE 12 platform, which includes the Java Development Kit (JDK) and the JavaFX SDK. JRE 12 contains several new features and enhancements that improve the performance, security, and compatibility of Java applications.
JRE 12 Features and Enhancements
Some of the new features and enhancements in JRE 12 are:
A new String class method called transform, which allows applying a function to a string and returning the result.
A new Files class method called mismatch, which compares two files and returns the position of the first mismatched byte.
A new switch expression syntax, which simplifies writing switch statements with multiple cases and expressions.
A new garbage collector called Shenandoah, which reduces pause times by performing more work concurrently with the running Java threads.
A new experimental API for low-level interaction with foreign memory and libraries.
You can find more details about these and other features in the official documentation .
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JRE 12 Compatibility and Requirements
JRE 12 is compatible with most of the previous versions of Java, meaning that you can run applications written for older versions of Java on JRE 12. However, some features may have been removed or deprecated in JRE 12, so you may need to update your code or use a third-party tool to ensure compatibility. You can check the list of removed or deprecated features in the release notes.
JRE 12 also has some minimum system requirements that you need to meet before installing it on your computer. These are:
Operating SystemRAMDisk SpaceProcessorBrowsers
Windows Server 2019/2016/2012 R2/2012/2008 R2 SP1128 MB124 MB for JRE; 2 MB for Java UpdatePentium 2 266 MHz or higherInternet Explorer 9 or higher, Microsoft Edge, Firefox, Chrome
Mac OS X (10.7.3 or higher)N/A86.39 MBIntel-based MacSafari, Firefox, Chrome
Linux (various distributions)N/A76.84 MB - 95.71 MB depending on distributionPentium 2 266 MHz or higherFirefox, Chrome
Solaris (SPARC)N/A52.77 MB - 64.53 MB depending on distributionSparc UltraSPARC IIi or higher; Sparc T4 or higher for Solaris 11 Express; Sparc T7 or higher for Solaris 11.4 or higherN/A
Solaris (x64)N/A49.63 MB - 61.39 MB depending on distributionPentium III or higher; AMD Opteron or higher for Solaris 11 Express; AMD EPYC or higher for Solaris 11.4 or higherN/A
Note: These are the minimum requirements for installing JRE 12. You may need more RAM, disk space, or processor speed depending on your applications and usage.
How to Download JRE 12 from Oracle Website
The easiest way to The easiest way to download JRE 12 is from the Oracle website. You can follow these steps to get the JRE 12 installer for your computer: Choose the Right Version for Your Operating System
On the Oracle website, you will see a list of JRE 12 downloads for different operating systems. You need to choose the one that matches your operating system and architecture. For example, if you have a Windows 10 64-bit computer, you need to download the jre-12.0.2_windows-x64_bin.exe file. If you have a Mac OS X computer, you need to download the jre-12.0.2_osx-x64_bin.dmg file. You can check your operating system and architecture by going to your system settings or properties.
Follow the Installation Instructions
Once you have downloaded the JRE 12 installer file, you need to run it and follow the installation instructions. Depending on your operating system, you may need to grant permission, accept the license agreement, choose the installation directory, and configure some settings. The installation process should not take more than a few minutes. After the installation is complete, you can verify that JRE 12 is installed by opening a command prompt or terminal and typing java -version. You should see something like this:
C:\Users\user>java -version java version "12.0.2" 2023-07-16 Java(TM) SE Runtime Environment (build 12.0.2+10) Java HotSpot(TM) 64-Bit Server VM (build 12.0.2+10, mixed mode, sharing)
If you see a different version or an error message, you may need to check your environment variables or reinstall JRE 12.
How to Troubleshoot JRE 12 Issues
Sometimes, you may encounter some issues when running Java applications on JRE 12. These issues may be caused by various factors, such as incompatible code, outdated Java, disabled Java in your browser, or corrupted JRE files. Here are some tips on how to troubleshoot some common JRE 12 issues:
Check if Java is Enabled in Your Browser
If you are trying to run a Java applet or web start application on your browser, you need to make sure that Java is enabled in your browser settings. Some browsers may disable Java by default or require you to allow it for specific websites. You can check if Java is enabled in your browser by visiting the Java test page. If you see a message saying that Java is not installed or enabled, you need to enable it in your browser settings or install a browser plugin that supports Java.
Update Java to the Latest Version
If you are running an older version of Java on your computer, you may experience some compatibility or security issues with JRE 12. To avoid these issues, you should update Java to the latest version available for your operating system. You can check if there is a newer version of Java by visiting the Java download page or using the Java Update feature in your system settings. Updating Java will ensure that you have the latest features and bug fixes for running Java applications.
Contact Oracle Support or Visit Java Help Center
If none of the above tips help you resolve your JRE 12 issue, you may need to contact Oracle support or visit the Java help center for more assistance. Oracle support can provide you with technical support and guidance on how to fix your JRE 12 issue. The Java help center can provide you with more information and resources on how to use and troubleshoot Java on your computer.
Conclusion
JRE 12 is the latest version of the Java Runtime Environment that allows you to run Java applications on your computer. It has several new features and enhancements that improve the performance, security, and compatibility of Java applications. To download and install JRE 12 on your computer, you need to visit the Oracle website and choose the right version for your operating system. You also need to follow the installation instructions and verify that JRE 12 is installed correctly. If you encounter any issues when running Java applications on JRE 12, you can try some troubleshooting tips or contact Oracle support or visit the Java help center for more help.
FAQs
What is the difference between JRE and JDK?
The JRE (Java Runtime Environment) is a software package that provides the libraries and components required for executing Java programs. The JDK (Java Development Kit) is a The JRE (Java Runtime Environment) is a software package that provides the libraries and components required for executing Java programs. The JDK (Java Development Kit) is a software package that provides the tools and environment for developing Java applications. The JDK includes the JRE, as well as the compiler, debugger, and other tools. You need the JRE to run Java applications, but you need the JDK to create and compile them.
How do I uninstall JRE 12 from my computer?
To uninstall JRE 12 from your computer, you need to follow the instructions for your operating system. For Windows, you can use the Add/Remove Programs feature in your Control Panel or the Uninstall tool in the Start menu. For Mac OS X, you can use the Finder to drag the JRE 12 icon to the Trash. For Linux and Solaris, you can use the uninstall script in the JRE 12 installation directory.
How do I check if JRE 12 is working properly on my computer?
To check if JRE 12 is working properly on your computer, you can try running a simple Java application or applet on your browser or command prompt. You can also visit the Java test page to verify that Java is enabled and working in your browser. If you see any errors or warnings, you may need to check your JRE 12 installation or configuration.
How do I update JRE 12 to a newer version?
To update JRE 12 to a newer version, you can use the Java Update feature in your system settings or visit the Java download page to get the latest version of JRE. You can also enable automatic updates for Java, which will notify you when a new version is available and install it for you.
Where can I find more information about JRE 12?
You can find more information about JRE 12 on the Oracle website, where you can access the official documentation, release notes, tutorials, forums, blogs, and other resources. You can also visit the Java help center, where you can find answers to common questions, troubleshoot issues, and contact Oracle support.
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