How to Download Java JDK for Windows Server 2016 64 Bit
If you are a developer or a system administrator who needs to run Java applications on Windows Server 2016, you will need to install Java Development Kit (JDK) on your system. JDK is a software package that provides the tools and libraries necessary for developing, testing, and running Java programs. In this article, we will show you how to download and install JDK for Windows Server 2016 64 bit in a few easy steps.
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What is Java JDK and why do you need it?
Java is a popular programming language that can run on various platforms, such as Windows, Linux, Mac OS, and Android. Java applications are compiled into bytecode, which can be executed by a Java Virtual Machine (JVM). JVM is a software component that interprets and executes the bytecode on a specific platform.
JDK is a software package that contains the following components:
JRE (Java Runtime Environment): This is the core component that provides the JVM and other essential libraries for running Java applications.
Java Compiler: This is a tool that converts Java source code into bytecode.
Java Debugger: This is a tool that helps you find and fix errors in your Java code.
Java Shell: This is an interactive tool that allows you to execute Java statements and expressions without compiling them.
Java Documentation: This is a collection of HTML files that describe the features and functions of the Java language and its APIs.
You need JDK if you want to do any of the following tasks:
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Develop Java applications using an IDE (Integrated Development Environment) or a text editor.
Compile, debug, and run Java applications from the command line.
Create executable JAR files that can be distributed and run on other systems.
Use advanced tools and libraries for developing web, desktop, mobile, or embedded applications.
Java JDK features and benefits
JDK offers many features and benefits for developers and system administrators, such as:
Cross-platform compatibility: You can write Java code once and run it on any platform that supports JVM.
Performance and reliability: JVM optimizes the execution of bytecode and ensures that your applications run fast and stable.
Security and privacy: JVM enforces strict rules and policies to prevent unauthorized access or modification of your data and resources.
Modularity and scalability: You can organize your code into modules that can be reused and updated independently.
Rich set of APIs: You can use various APIs (Application Programming Interfaces) that provide ready-made solutions for common tasks, such as networking, database access, user interface, graphics, sound, etc.
Java JDK system requirements and compatibility
Before you download and install JDK, you should check the following system requirements and compatibility issues:
You need administrator privileges to install JDK on Windows Server 2016.
You need at least 420 MB of free disk space to install JDK.
You need at least 128 MB of RAM to run JDK tools.
This means that JDK 17 is installed and working on your system. You can also check the installation directory by typing where java and pressing Enter. You should see something like this:
C:\Users\Administrator>where java C:\Program Files\Java\jdk-17\bin\java.exe
This means that JDK is installed in C:\Program Files\Java\jdk-17 directory.
Step 2: Add the JDK bin directory to the PATH variable
The PATH variable is a system variable that tells Windows where to look for executable files, such as java.exe. To make sure that Windows can find JDK tools from any location, you need to add the JDK bin directory to the PATH variable. To do that, follow these steps:
Open the Control Panel by pressing Windows + X keys and selecting Control Panel from the menu.
Click on System and Security and then click on System.
Click on Advanced system settings on the left panel.
Click on Environment Variables button at the bottom of the System Properties window.
In the Environment Variables window, under System variables, find the variable named PATH and select it. Then click on Edit button.
In the Edit environment variable window, click on New button and type C:\Program Files\Java\jdk-17\bin in the text box. Then click on OK button.
Click on OK button in the Environment Variables window and then click on OK button in the System Properties window.
You have successfully added the JDK bin directory to the PATH variable.
Step 3: Set the JAVA_HOME variable to point to the JDK installation directory
The JAVA_HOME variable is a user-defined variable that tells other applications and tools where JDK is installed on your system. To set the JAVA_HOME variable, follow these steps:
Open the Environment Variables window as described in Step 2.
In the Environment Variables window, under User variables for Administrator (or your username), click on New button.
In the New User Variable window, type JAVA_HOME in the Variable name text box and C:\Program Files\Java\jdk-17 in the Variable value text box. Then click on OK button.
Click on OK button in the Environment Variables window and then click on OK button in the System Properties window.
You have successfully set the JAVA_HOME variable.
Conclusion and FAQs
In this article, we have shown you how to download and install JDK for Windows Server 2016 64 bit. We have also explained what JDK is and why you need it, as well as how to verify the installation and set up the environment variables for it. We hope that this article has been helpful and informative for you. If you have any questions or feedback, please feel free to leave a comment below.
Here are some frequently asked questions about JDK:
QuestionAnswer
What is the difference between JDK and JRE?JDK stands for Java Development Kit and JRE stands for Java Runtime Environment. JDK contains JRE plus other tools and libraries for developing Java applications. JRE contains only the JVM and essential libraries for running Java applications. You need JDK if you want to create or modify Java applications, but you only need JRE if you want to run them.
How do I update JDK to a newer version?To update JDK to a newer version, you need to download and install the new version from Oracle website as described in this article. You may also need to update the PATH and JAVA_HOME variables accordingly. You can uninstall the old version of JDK if you don't need it anymore, but be careful not to delete any files or folders that are used by other applications or tools.
How do I uninstall JDK from my system?To uninstall JDK from your system, you need to follow these steps:
Open the Control Panel and click on Programs and Features.
Find the JDK version that you want to uninstall and click on Uninstall button.
Follow the instructions provided by the uninstaller and confirm your choice.
Delete the JDK installation directory and any shortcuts or files associated with it.
Remove the JDK bin directory from the PATH variable and delete the JAVA_HOME variable as described in this article.
How do I switch between different versions of JDK on my system?If you have multiple versions of JDK installed on your system, you can switch between them by changing the PATH and JAVA_HOME variables as described in this article. You can also use a tool like to manage multiple Java versions on your system.
Where can I find more information and resources about JDK?You can find more information and resources about JDK on the following websites:
: This is the official documentation for JDK, where you can find tutorials, guides, reference manuals, API specifications, and more.
: This is the official download page for JDK, where you can find the latest and previous versions of JDK for various platforms.
: This is the official support page for JDK, where you can find FAQs, forums, blogs, newsletters, webinars, and more.
: This is the official blog for JDK, where you can find news, updates, tips, tricks, and best practices for JDK.
: This is a free online magazine for Java developers, where you can find articles, interviews, reviews, quizzes, and more.
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