Java Development Kit is the official, reliable, and trustworthy development kit for Java programming.It has been developed by Oracle and is used by programmers around the world. Simply put, JDK combines a wide range of tools and software required to debug, run, and compile apps and applets designed with the Java programming language. Since it’s a free program, you can start using it. Windows Offline filesize: 70.3 MB: Instructions: Windows Offline (64-bit) filesize: 80.7 MB: Instructions: If you use 32-bit and 64-bit browsers interchangeably, you will need to install both 32-bit and 64-bit Java in order to have the Java plug-in for both browsers. » FAQ about 64-bit Java for Windows.
HotSpot is the VM from the OpenJDK community. It is the most widely used VM today and is used in Oracle’s JDK. It is suitable for all workloads. For more details see OpenJDK HotSpot. Eclipse OpenJ9 is the VM from the Eclipse community. It is an enterprise-grade VM designed for low memory footprint and fast start-up and is used in IBM’s JDK.
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- Written by Nam Ha Minh
- Last Updated on 21 April 2020 | Print Email
1. Download and Install OpenJDK 12
OpenJDK 12 is an open-source distribution of Java SE 12. It is licensed under GNU General Public License version 2 (GPLv2), which means you can use OpenJDK for personal, development and commercial use.Since OpenJDK 12 was superseded, you can download it from Archived OpenJDK Releases page.Scroll down a little bit and you will see the last build of OpenJDK 12 is 12.0.2:As you can see, OpenJDK 12 is distributed in zip and tar.gz archives for Windows, macOS and Linux. Download the file suitable for your operating system. For Windows, it is openjdk-12.0.2_windows-x64_bin.zip file.It’s strongly recommended to verify integrity of the downloaded file by comparing its SHA256 checksum with the one mentioned on OpenJDK website. On Windows, type the following command to generate SHA256 checksum for the downloaded file:certutil -hashfile openjdk-12.0.2_windows-x64_bin.zip sha256
setx -m JAVA_HOME 'G:OpenJDKjdk-12.0.2'
You need to run the Windows command prompt under administrator privilege to execute this command. And make sure the PATH environment variables includes the entry JAVA_HOMEbin.Then open another command prompt window and type java –version to check:This means you have successfully installed OpenJDK 12.Watch the video:2. Download and Install Oracle JDK 12
Oracle JDK 12 was a commercial build for Java SE 12 but it was superseded. Oracle JDK 12 is not recommended for production use. Only programmers should use it to debug issues in old systems.To download Oracle JDK 12, you need to go to Oracle Java Archive Downloads page. Scroll down a little bit and click the link Java SE 12 Archive Downloads. You can see Oracle JDK 12 is provided with both archive files (zip and tar.gz) and installers for Linux, macOS and Windows.For Windows, you can download the installer program jdk-12.0.2_windows-x64_bin.exe. Note that you must have an Oracle account and sign in to download.Click the downloaded file to launch the installer program for Oracle JDK 12. You will see the following wizard appears:Just click Next twice to start installing. It will be very quick, simple and easy.Then type the following command to update the JAVA_HOME environment variable (requires administrator privilege):setx -m JAVA_HOME 'C:Program FilesJavajdk-12.0.2'
Also make sure to include JAVA_HOMEbin in theJdk 11 Download For Windows 32 Bit Download
PATH variable:setx -m PATH '%PATH%;%JAVA_HOME%bin';
Finally, open a new command prompt and type java –version