Hey there! Thanks for visiting my website. I just wanted to inform you that your browser might warn you about possibly malicious content if you try to download my software. This is just because you're downloading executable files. I promise there is no harmful code in any of the published applications. Also, this site does use cookies. If you continue to use this site, you accept the use of them.


Since it's understandable that you might not want to run any executable without knowing what it does, I developed TESM.TESM stands for ThrownException's Security Manager. Using a Security Manager is an already known mechanic in Java, but there is only one default one and it's static. TESM is a dynamic Security manager, with a whitelist, a blacklist, a default option and user interaction. Any code ever written eventually uses certain core methods that come with the installation of Java. These methods all consult the set Security Manager to get permission for doing certain things. Web applications won't get permission from the default Security Manager to access files for example. TESM will grant or deny permission based on a configuration file that can be found in the same folder as the executed .jar file. To set TESM as your security manager, drop the two files provided below in any .jar and run the .jar using a command line interface with:"java -Djava.security.manager=TESM -jar [name of file].jar"You can find the necessary files here.

All my code is licensed under the Creative Commons BY-NC-ND license.

For more information, click the icon at the bottom of the page.

  • ThrownException

Polygon Creator

Java GUI libraries only come with a handful of shapes. For example a rectangle, ellipse and line. A polygon is also a shape that's part of the libraries. Polygon is a general name for a shape with multiple edges. So in order to easily expand on the shapes that can be used in Java, I created a Polygon Creator. For somebody not into programming, this won't be of much use. The well-known Microsoft Paint is more artistic than this software. However, for somebody who's into (JavaFX) programming, this opens a world of new possibilities. It comes with new, save and load options. Also there are guiding shapes to help you place the points in the right position. You can drag all shapes around and right click the guiding shapes to adjust their properties. Click a polygon edge to add a point, right click a point to remove it and drag a point to move it.

Download here!

I also wrote a library to create Polygon objects from the saved *.pgp files.

You can find the library in the "library" category (search for "Polygon").

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