Why is my applet not working?

Why is my applet not working?

If you do not have a Java Virtual Machine (JVM) console enabled for your browser, the applet jar files cannot be loaded. Click Control Panel > Java to view the Java Control Panel. On the Advanced tab, look at Default Java for browsers. If the box for your browser is not checked, check it and click OK.

How do I allow applets to run in Chrome?

To do so, go to Settings > Advanced > Privacy and security > Site Settings > Javascript, then make sure Allowed is enabled.

  1. Install the CheerpJ Applet Runner Chrome extension.
  2. When you visit a page with a Java applet, select the CheerpJ icon, then select Run Applets to enable the Java applets on the page.
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Can Firefox run Java applets?

Firefox no longer provides NPAPI support (technology required for Java applets) As of September, 2018, Firefox no longer offers a version which supports NPAPI, the technology required to run Java applets. This change does not affect Web Start applications, it only impacts Java Applets.

How do I enable Java applets in Firefox?


  1. Open the Firefox browser or restart it, if it is already running.
  2. From the Firefox menu, select Tools then click the Add-ons option.
  3. In the Add-ons Manager window, select Plugins.
  4. Click Java (TM) Platform plugin (Windows) or Java Applet Plug-in (Mac OS X) to select it.

How do I manually add Java plugin to Firefox?

Firefox 11 and Java Plugin

  1. Open Firefox.
  2. Click the orange Firefox menu button in the upper left-hand corner of the browser window.
  3. Click on Add-ons.
  4. Click on Plugins.
  5. Locate the Java (TM) Platform SE 6 U23 6.0. 230.5 plugin in the list and click the Enable button.
  6. Restart Firefox.
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How can you run Java applets if browsers don’t support them?

Older versions of Java had appletviewer to run applets. So How can you run Java applets if the browsers and latest versions of Java don’t support them? The appletviewer command allows you to run Java applet without a browser. But for the appletviewer command to work you need to install the older version of Java in your PC.

Why does the appletviewer command not work when the URL is url?

If the documents referred to by url don’t reference any applets with the OBJECT, EMBED, or APPLET tag, then the appletviewer command does nothing. The OBJECT, EMBED, and APPLET tags are described in AppletViewer Tags.

What HTML code does the Appletviewer recognize?

The HTML code that the AppletViewer recognizes is described in this section. All other HTML code is ignored. The object tag is the HTML 4.0 tag for embedding applets and multmedia objects into an HTML page. It’s also an Internet Explorer 4.n extension to HTML 3.2 which enables IE to run a Java applet using the latest Java plug-in.

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Why is my Java applet web page not visible in chrome?

Below cases might be a reason your Java applet web page is not visible: Chrome no longer supports NPAPI (technology required for Java applets) The Java plug-in for web browsers relies on the cross platform plugin architecture NPAPI, which has been supported by all major web browsers for over a decade.