This tutorial has everything you need to know about installing JDK 8 on Windows.
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Java applications compile to bytecode (class file) that can then run on a Java Virtual Machine (JVM). James Gosling created Java at Sun Microsystems. It is currently owned by the Oracle Corporation. Consult following posts if you are looking to download and install JDK 1.5, JDK 1.6, JDK 1.7, JDK 1.9. Jul 22, 2020.
If you’re new to Java, I’ll show you how to setup the Java Development Kit.
And if you’re a Java pro? I’ll highlight the needed links that you can use to download the installer.
Bottom line:
If you want to get up and running with Java, you’ll love this tutorial.
Java is a computer programming language that is concurrent, class-based and object-oriented. Java applications compile to bytecode (class file) that can then run on a Java Virtual Machine (JVM).
James Gosling created Java at Sun Microsystems. It is currently owned by the Oracle Corporation.
Consult following posts if you are looking to download and install JDK 1.5, JDK 1.6, JDK 1.7, JDK 1.9 or JDK 1.10.
Java can be obtained from the Oracle Java download page. There are a number of different Java packages available, for this tutorial we will be installing Java Standard Edition (SE) on Windows.
In order to be able to compile Java code, we need the Java Development Kit (JDK) package that comes with a Java compiler. The JDK package also comes with a Java runtime environment (JRE) that is needed to run compiled Java code.
Scroll to the Java SE 8u171/ 8u172 section in the middle of the Oracle Java download page and click on the Download button right below JDK. Then look for the Java SE Development Kit 8u172 section.
Here is the direct link to download the jdk 8u172 installer for Windows 32 or 64 bit.
Accept the License Agreement and pick the correct download for your operating system. In this example, we will use the Windows 64 bit version.
Sign in using your Oracle account (or create a new one) and the download should start. Once the download is complete, locate the jdk-8u172-windows-x64.exe file and double-click to run the installer.
Click Next and on the following screen optionally change the installation location by clicking on the Change... button. In this example the default install location of 'C:Program FilesJavajdk1.8.0_172' was kept. From now on we will refer to this directory as: [java_install_dir].
We will not install the public JRE as the JDK Development tools include a private JRE that can run developed code. Select the Public JRE dropdown and click on This feature will not be available. as shown below.
Click Next and then Close to finish installing Java.
In order for Java applications to be able to run we need to setup a 'JAVA_HOME' environment variable that will point to the Java installation directory. In addition, if we want to run Java commands from a command prompt we need to setup the 'PATH' environment variable to contain the Java bin directory.
When using Windows the above parameters can be configured on the Environment Variables panel. Click on the Windows Start button and enter “env” without quotes as shown below.
Environment variables can be set at account level or at system level. For this example click on Edit environment variables for your account and following panel should appear.
Click on the New button and enter “JAVA_HOME” as variable name and the [java_install_dir] as variable value. In this tutorial the installation directory is 'C:Program FilesJavajdk1.8.0_172'. Click OK to to save.
Click on the New button and enter “PATH” as variable name and “%JAVA_HOME%bin” as variable value. Click OK to save.
Note that in case a 'PATH' variable is already present you can add “;%JAVA_HOME%bin” at the end of the variable value.
The result should be as shown below. Click OK to close the environment variables panel.
In order to test the above configuration, open a command prompt by clicking on the Windows Start button and typing “cmd” followed by pressing ENTER. A new command prompt should open in which the following command can be entered to verify the installed Java version:
The result should be as shown below.
This concludes the setting up and configuring JDK 1.8 on Windows.
If you found this post helpful or have any questions or remarks, please leave a comment.
Downloading & Installing the JRE Installer on Windows platform:
OpKey Web supports Java 8 or above versions. JDK is a superset of JRE, and contains everything that is in JRE, plus tools such as the compilers and debuggers necessary for developing applets and applications. If you are installing JDK then you don’t need to install JRE separately.
You can download JRE 8 or above version and install it on your machine. The JRE Installer is located on the Java SE Runtime Environment 10 Downloads page.
- In a browser, go to the Java SE Runtime Environment 10 Downloads page.
The following JRE installers are available for you to download: https://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html - Windows Offline:jre-10.interim.update.patch_windows-x64_bin.exe
- Download the JRE installer according to your requirement.
Note:
The Windows Offline installer and Windows installer contains everything that is required to install the JRE. The Microsoft Windows Installer (MSI) Enterprise JRE Installer is also available, which enables you to install the JRE across your enterprise. It requires a commercial license for use in production.
Downloading the JRE Installer
- Open Java SE Runtime Environment Downloads page.
- Click Accept License Agreement, and then, under the Downloads menu, click the link that corresponds to the installer for your version of Windows.
- Note the file size specified on the download page and, after the download has completed, verify that you have downloaded the complete file.
Running the JRE Installer
You must have Administrative privileges in order to install the JRE on Microsoft Windows.
Start the JRE 8 Installer by double-clicking the installer’s icon or file name in the download location.
Installation wizard shows some important information. Click OK to proceed installation.
JRE Installation is in progress.
You get following message once JRE gets installed successfully on your Windows machine.
JRE 8 has been installed on your machine successfully. Further, you need to configure Path of Environment Variable.
Configuration of Java Environment Variable Path:
Before you start working on OpKey Web, need to setup Java Environment Variable path on that machine by following below steps:
- Select Control Panel and then System.
- Click Advanced system settings.
- Navigate to the Advanced tab and click on Environment Variables.
- Go to the System Variables tab and click on New.
- Enter JAVA_HOME as Variable Name and the Path of installed JDK as Variable Value.
- Click on OK. Close other windows while clicking OK.
Java Variable path has been configured successfully.
How to check Java Version installed on your Windows machine?
You can easily check the version of Java installed on your machine. Follow the below given instructions:
Jvm Download Mac 1.8 1.7
- Open command prompt (Press Windows with R & type CMD).
- Type Java -version and press enter.
- Java Version installed on the machine can be viewed easily.
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How to check Java Version installed on your Mac machine?
You can easily check the version of Java installed on your machine. Follow the below given instructions:
(A) If JDK is installed on your Mac machine then you should follow the below given steps:
- Open Terminal on your Mac machine.
- Type Java -version command and press enter.
- Java Version installed on the machine can be viewed easily.
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(B) If only JRE is installed on your Mac machine then you should follow the below given steps:
- Open Terminal on your Mac machine.
- Type following command and press Enter:
/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java -version
- Java Version installed on the machine can be viewed easily.
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