![]() ![]() In this case, Tic Tac Toe only had two notable elements-a player to play the game and a board to play the game on. When deciding which classes need to be made for a project, think about the elements of what you're making. There are three classes in this project-Board, Player, an Runner. The main package includes the class that interacts with the user. The game package contains the more backend information for running the game. The two packages in this project are game and main. You may not run into this, but it is a good habit to get into. This helps to eliminate any issues when integrating Java programs. As you can see, this project uses the Instructable domain. A common naming convention is to use your domain backwards. Packages provide an organizational tool for Java projects by grouping similar classes together. Building the program will help make these more concrete. To use the Student example, these could be things like getting the GPA or taking a class.ĭon’t worry if you don’t quite grasp these concepts yet. These are the actions that an object can make. For example, a Student object would have instance variables like name, GPA, and classification. They describe what the object contains and what it can do. Think of classes as the blueprints for the object. These objects are defined by classes, and within these classes are instance variables and methods. ![]() To break this down, a Java program is typically comprised of objects. These tasks vary from manipulating the object’s data to communicating with other objects. Objects contain associated data fields and typically have methods that perform a variety of tasks. An object-oriented programming language consists of objects that communicate with each other. For this Instructable, the main thing you need to know about Java is that it is an object-oriented programming language.
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