give an example of what a good idea for make some application to be created in Java and used as a college assignment.
College assignment, Let me think. #Make an app that can access one of your demo folder and can create a text file there and can also print "hello world" in that text file.
solve equation about tax (economic) or the velocity of particle in 3d space (math) or solve median of citizen income (stat) or minesweeper (seriously)
Write a program to simulate a 6 number lottery