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How to Install Java Applet Viewer in Windows?

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  • Difficulty Level : Basic
  • Last Updated : 14 Oct, 2022
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Applet viewer is a command-line program to run Java applets. It is included in the SDK. It helps you to test an applet before you run it in a browser. An applet is a special type of application that’s included as a part of an HTML page and can be stored in a web page and run within a web browser. The applet’s code gets transferred to the system and then the Java Virtual Machine (JVM) of the browser executes that code and displays the output. So for running the applet,  the browser should be Java enabled. To create an applet, we need to define a class that inherits the Applet. We generally use web browsers to run applets. Its not always mandatory to open a Web browser for running an applet.

Common features 

  • Smaller, incremental JRE download and faster applet startup.
  • Applets run in a separate process to the browser, and each applet can optionally run in a separate JVM instance, so one misbehaving applet cannot affect other applets or the browser.
  • Applets can have parameters passed to them to control behavior such as setting a large initial heap size to avoid out-of-memory exceptions.
  • Applets can now be dragged out of the web browser and run as separate applications.


Now let us discuss steps that are been involved sequentially with the help of visual aids to install java applet viewer in java. Below we are providing steps right from scratch as follows:

Step 1: Search and download the latest version of JDK. Below we are downloading version 8 but by now with rapid pace in development in java we have version 16 available as of latest by Oracle.

Step 2: Click on the link in the browser provided by oracle docs. 

Note: We do have Open JDK and ORacle JDK, as far as development in java is concerned we have to always go with Oracle JDK>

Step 3: Scroll down the page & find the windows x64 download link

Step 5: Accept & download the file.

Step 6: Install it by pressing next every time & at last press finish it, just likely installing any application for windows.

Step 7: Now migrated to C drive. Then program files, then java folder, then JDK 1.8.0-251 & then bin folder and then copy the folder address keep it with you.

Step 8: Then open environment variable from your start button. Then you have to paste the address in Path portion. Just double click on Path & then create a new one and paste the address. Lastly, press “Ok”

Step 9: At last open Command Prompt by writing “cmd” in start menu. There write java -version. It will clearly show installed version.

Step 10: Geek now you are good to go as it is ready to use.

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