Java Game Engine

I highly recommend just using LibGDX https://libgdx.badlogicgames.com/

I'm sure of the logic can transfer over, but this was a pretty hacked project. :)

Legend of Zelda

By: Kenny Cason
Zelda Game written in Java - Still a new project so it's definitely a work in progress. But should demonstrate much of hte functionality

MineSweeper

Required Libraries
Java 1.7
jsoup-1.7.1.jar
log4j-1.2.17.jar
Maps written using Tiled