Posts

Showing posts from January, 2021

About Computers

When installing anything on to your personal computer, it is as simple as going to google.com and searching for whatever you want to download. For example, if you are trying to download Java, the first two result will take to java.com so you can download it. Ensure that you choose the appropriate link for the operating system you are running (i.e. Windows, Unix/Linux, Mac OS) and following the prompts will complete the installation of Java. Using Java, like any programming language takes time to learn. A simple method that can be used is watching YouTube videos to start with the basics and gradually progress. The widespread use of computers has revolutionized many aspects of labor and business. In only a few generations, the computer has gone from being a mysterious tool accessible to a privileged few to a common tool used by people at all levels of labor in almost every industry. Information Storage Without addressing the specifics of the technology, computers store informati...

Network Security

Java is object-oriented programming (OOP) language. OOP languages like Java deal with objects and classes. A class can simply be explained with the use of attributes and behaviors. Using a person as an example, attributes of a person would be their height, weight or eye color. Using the same example, behaviors are actions a person does like eat, run, or sleep. For objects, they are an instance of a class. They are described with characteristics and methods. Characteristics are like attributes, but instead of a person’s height, it gives the height a value like 5’9’’. Methods are like behaviors of a class, they are actions. There are four principles that you must learn when learning an OOP language. These principles include encapsulation, data abstraction, polymorphism, and inheritance. Encapsulation is used to ensure an object’s integrity. It does this by hiding functional details of a class. With inheritance, a subclass acquires the attributes and behaviors of the parent ...