#Minesweeper java free#
If you find yourself getting stuck, feel free to refer to my GitHub repository. But at least the challenges will be GUI-specific problems that have nothing to do with the game engine. Once you get the command line version of the game working well, the GUI version might still seem daunting. It’s on my back-burner to make this more flexible. package minesweeper public class Mine Īs it stands now, “-colors” (or “-c” if you prefer) must be the first command line option. It seems quite obvious to me that the minesweeper package should have a Mine class. We’ll start our work in earnest in the minesweeper package. Those are just going to be placeholders for now. In the ui package make two “subpackages”: ui.graphical and ui.text. In Source Packages, make sure there’s a minesweeper package (or name it, if you prefer) and a ui package (or instead name it ). Make sure the project has a Source Packages folder (src) and a Test Packages folder (test). I want you to fire up your favorite integrated development environment (IDE) and create a new project, called MineSweeper.
It’s certainly possible to program the game in an old BASIC, like GW-BASIC or QBasic, keeping track of everything with 2-dimensional arrays.īut with well-chosen and well-designed objects, we can create a game that can easily be adapted for any user interface, and, with a little more effort can also be adapted for different variants, like one with triangular tiles instead of square tiles. There are of course many different ways to program Minesweeper, and it doesn’t have to be object-oriented. Or maybe you can just keep playing, it depends on the implementation. There’s also a ticking clock: if you take too long, the mines will go off. In which case, multiple squares without mines might be revealed at once. And, on the easy or medium setting, the mines tend to be away from the corners. I usually begin by left-clicking on a corner square. Each square either has a mine or it doesn’t, but at the beginning of the game, you don’t know which is which. You’re presented with a rectangular formation of squares. I will quickly describe the GUI version just in case you recall it only vaguely, or if you’ve never played it. For example, “!” can indicate a flagged position, “X” can indicate a detonated mine, etc.
#Minesweeper java how to#
Since the primary purpose of the famous Microsoft Windows Minesweeper game was to familiarize users with the left and right mouse buttons, and how to use them to indicate items on a screen, most people are aware of Minesweeper only as a game with a graphical user interface (GUI).īut it’s certainly possible to make the game with a command line interface, even one limited to ASCII characters. Here I suggest Minesweeper on the command line in particular as a very good exercise for Java beginners to learn about object-oriented programming and the benefits of separating content from presentation. The program requirements for a game are easy to explain and the student can get immediate feedback on their program by playing the game. Games in general are often given as an answer. Beginners in Java often ask for good projects with which to learn Java and the principles of object-oriented design.
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