The unordered list is probably the most frequently used list, and it is sometimes (inaccurately) called a bulleted list because each item is preceded with a bullet point. In reality, an unordered list is a list of items, which the order of the items found doesn’t change their meaning. For example, I could have a…
We’ve talked about abstraction before when working with functions. The idea being using a simple to remember name, to hide a (potentially) complex process involving lots of steps. Classes are often used in the same way. They should be thought of as a “black box” which the programmer doesn’t need to worry about how the…
Previously we looked at a class Circle, which had a property radius that was publicly available. That means that any other class, or your main program could change that value. This is a problem for two reasons: First, that data could be tampered with. Another function, class, etc could directly access the variable and change…
Large projects may be written by multiple people, or even companies being contracted. Medium projects may not want to have a single large file, and instead, break it into smaller chunks, or files, which makes managing the project easier and easier to edit the files as you look for items. To do this, you need…
There are several types of architecture involved in a web app. Some of these are found in desktop apps, some are not. Content Architecture – focuses on the definition of the overall hypermedia structure of the WebApp. Generally there are four main types of structures. Linear structures follow a set path that the user should…
Like with a desktop app, a web app’s quality can be measured in different categories such as: But they also have additional considerations: Design Goals When designing an app, you have lots of factors to consider. Most relate to the UI either directly, or indirectly. This will affect your programming design and complexity. Simplicity –…
Let’s look a little closer at constructors than we did in our initial Defining Classes for Objects example. Anytime you create an object, a constructor is called. If you overload your constructor, C++ will pick the right constructor to call, just like it does when you overload a function. Constructors must have the same name…
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…
