The language that I understand best and have worked with the most, it is at the core of Ivy Tech's Computer Science program.
These are files which are related to programs which would alter and/or display the contents of a database, as well as diagrams and descriptions for two larger database programs. These programs run using the Dev Command batch file, you will need to change the address in the batch file to your compilers VsDevCmd.bat file if you use Visual Studio, although if you don't, you can still examine the code I've written.
These are programs that I created for a Java Software development course. These links go directly to the code.