Once you create your class, you need to create an object. The Class is just a blueprint for the program to follow. It doesn’t do anything until you create an object based off of that blueprint. Think of a house. If you have a house blueprint, all you have are some sheets of paper or…
Object Oriented Programming (OOP) involves programming using objects. An Object is made from a Class which defines the attributes of the object and the behaviors. Think about it like what is it about or with adjectives (attributes) and what it can do, or verbs, (behaviors). As an example let’s consider a Class called Student. A…
A design pattern can be characterized as “a three-part rule which expresses a relation between a certain context, a problem, and a solution” [Ale79] For software design, context allows the reader to understand the environment in which the problem resides and what solution might be appropriate within that environment. A set of requirements, including limitations and constraints, acts as…
An application should be designed so that it anticipates the user’s next move. Especially on a mobile device so the user doesn’t have to do as much on a small screen. The interface should communicate the status of any activity initiated by the user. This is especially important since you may have some time between…
A software developer might have a different “mental image” of the software than the users which may be different than the stakeholders. However, since the user is the one who will be using it, shouldn’t they be the one who has the most consideration for the interface? This doesn’t necessarily mean talking them about what…
The actual process is programmatically fairly simple. We’ve already seen recursive algorithms in with examples like the quick sort and the merge sort, so that’s not a big issue. Solving the Tower of Hanoi Problem was originally found on Access 2 Learn
The Tower of Hanoi, sometimes called the Tower of Brahma puzzle, is one of the classic problems to look at if you want to learn recursion. This problem is good to understand how recursive solutions are arrived at and how parameters for this recursion are implemented. We look at the solution in another post. The…
The user interface, or UI, is how a user interacts with an application. The application doesn’t matter if it’s a computer application, a mobile phone app, or even your microwave oven. The study of how people interact with computes/apps/etc is called Human Computer Interaction, or HCI. In his book on interface design, Theo Mandel [Man97]…
