Select "Security" tab, and make sure that the option "Enable Java content in the browser" is checked, and then add an entry in the "Exception Site List" for the demo link, e.g., To unblock a Java Application, we need to open the program called "Java Control Panel", which for example in Windows can be opened by typing the words "configure java" in the Start Menu. In most cases, the Java Application will be blocked and will give an error of the form "Error: Clink on details" as shown in the following pictures after you click one of the demo links.
If other browsers are used, please first install the IE Tab extension. You should choose to "Enable" Java Plugins for Internet Explorer.
This section provides detailed instructions to add security exceptions for Java applets to run on Internet Explorer. Latest versions of JRE can be downloaded here manually. You may try the 32-bit version of JRE instead of 64-bit if security exception settings are done but the demos still do not appear.
Display Resolution: Make the display resolution lower when the applet shows up but is too small.This section provides some general information about environments if you are to use a browser. Use the following command to execute the viewer: appletviewer where options could be omitted.įor example, if you are to watch the demo of rectangle quadtrees, use appletviewer Afterwards, you are able to run appletviewer instead of browsers to visit the web sites containing applets.Appletviewer can be found in the Java bin folder, e.g., C:\Program Files (x86)\Java\jdk1.8.0_221\bin\appletviewer.exe.If not done so, you may need to locate the appletviewer manually when executing it. Change environment variables for convenience.
E.g., I selected jdk-8u221-windows-i586.exe for my Windows 10 system. The latest versions are available here.Ĭhoose the correct version for your operating system, and you may need to create an Oracle account first (it is free). Note that the appletviewer does not need specific operating systems or browsers to run, so it would be convenient, especially without Windows and IE. If the solution based on browsers is not applicable, you may also use the appletviewer, a tool included in Java SE Development Kit (JDK), in order to view the demos. If there are any problems, feel free to contact the teaching assistant. This web page gives directions to run Java applets, which is necessary to view the demos demonstrating spatial data structures. I also went to java page to check to see if the script is running and it is not.Allow Java Application to Run on Internet Explorer Enable Java Applets to View Spatial Index Demos I follow through, downloaded, restarted, went through internet options and made sure everything was enabled.
Please follow the prompts to install Java for free on your machine. You can access Oracle's Java Virtual Machine by clicking here.Check that the option selected is Ask to Activate or Always Activate or on. Click Java (TM) Platform plugin (Windows) or Java Applet Plug-in (Mac OS X) to select it. In the Add-ons Manager window, select Plugins. From the Firefox menu, select Tools, then click the Add-ons option. To allow Java to run, despite the security warnings. Open the Firefox browser or restart it, if it is already running.
If you don’t want to update your version and still wish to take assessments, you will need to choose While our system has been tested to support Java version 1.4.2 or higher, your browser may prompt security warnings if your version is below a certain update. Of your company’s Computer Support division for help. If you are not comfortable completing the installation on your own, you may wish to contact a member
Oracle recommends that users download the latest version of their Java Virtual Machine, by clicking