How to Install Java

Nowadays, websites are flooded with programs programmed in Java. As a result, these programs can be more interactive and creative. However, to be able to view this content, your computer needs to have Java Runtime Environment (JRE) installed. Installing the JRE should take just a few minutes, no matter what operating system you use. Here is a guide to install Java programming.

Table of Contents

Steps

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This is a guide to install Java Runtime Environment (JRE) for the browser. You can refer to the instructions for installing the development tools (JDK) in other articles. Or if you want to learn about JavaScript, you can check out other articles in the same category.

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Visit the Java homepage. Java can install files that all browsers can use, so you don’t need to follow separate instructions for each specific browser. You just need to visit the Java homepage to find the Java installer.

The Java installer will download the files during the installation process. If you need to install Java on an offline device, download the Offline Installer available on the Manual Downloads page.
Depending on your browser settings, you may need to download the Java installation before starting the installation process.
For Mac OS X 10.6, Java comes pre-installed. For OS X 10.7 and later, Java is not pre-installed. Prepare a machine with OS X 10.7.3 or later, in addition, you also need a 64-bit browser such as Safari or Firefox (except Chrome) to install Java. ^{[1] X Research Source}
For Linux, Java needs to be downloaded, installed manually, and then activated for this programming to work. See other articles in the same category to learn more about how to install Java on Linux.

READ More: Marie M. Daly

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Start the installation. Once downloaded, launch the Java programmer to begin the installation process. On OS X, double-click the .dmg file to start the installation process.

Close the browser window before starting the installation, because the browser window will be forced to restart anyway when the installation is complete.

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Follow the installation steps. Read the notes displayed on the screen of the installation program carefully. If during the installation process you do not uncheck the check boxes, Java will install additional software, such as browser toolbars. If you don’t want to change your browser, be sure to read the on-screen notes carefully.

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Check the installation. After you have finished installing Java, check the installation again to make sure there are no problems. You can find Java test scripts on the Java website, or search online for “java test” and choose the first search result to show up.

You need to allow the plugin program to run on your machine, and may be asked several times before loading. Generally speaking, Java can be a dangerous tool that acts as a bridge for other programs to get into your computer if you’re not careful. Therefore, you should only run computer programs on reputable websites. ^{[2] X Research Source}

Warning

Always be careful with Java! Some websites may contain malicious startup commands programmed with Java and can harm your computer, so be careful when visiting the website.

Steps

Warning

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