Last updated: October 16, 2017
Opera is a free web browser application developed by Opera (formerly Opera Software ASA) of Norway. The desktop version is supported by Windows, Mac OS X and Linux, and a mobile version of the web browser is also available. At the end of 2014, Opera stated that 350 million users were using its web browsers. The Opera desktop version supports the Java plug-in. Below is how to enable and disable Java in Opera for each platform.
In September 2015, Opera unveiled a new brand identity. This included a redesign of its recognizable red “O” logo. The new 3D logo is intended to symbolize a gateway for users to gain access to more of what they are seeking online. In addition to revamping the “O” logo, Opera dropped the “Software” from its logo too, seeing their current efforts as more of an Internet company rather than a software company.
Enable and Disable Java in Opera
For users running the Windows and Mac operating systems, Opera uses the Java plug-in to run Java applets. If Java applets do not load in Opera, you may not have Java installed on your computer, Java may not be working correctly on your computer, or Opera may not have plug-ins enabled (or all of these reasons). Information about how to enable plug-ins in Opera is below.
Enable Plug-ins on Windows
To enable plug-ins in Opera on Windows, open the web browser’s Preferences. On Windows, click the menu in the upper left corner, and select Settings (or type Alt+P). In the left navigation, click the Websites link. In the Plug-ins section of the page, select the Run all plug-in content (recommended) radio button.
Changes are saved automatically even though there is no Save button, or a notification that the change has been saved. To disable all plug-ins such as Java, deselect the Run all plug-in content (recommended) check box. If needed, you may also click the Disable individual plug-ins link under Plug-ins to disable Java individually without impacting other plug-ins.
Enable Plug-ins on Mac OS X
On Mac OS X, click the Opera menu in the menu bar, and select Preferences.
In the Preferences window, click the Advanced tab. Check the Enable plug-ins check box, then click OK to save your change.
To disable plug-ins such as Java, uncheck the Enable plug-ins check box.
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