Chapter

Usage

From ComputerScienceOne by Dr Chris Bourke

Concepts

1. How do you declare and instantiate Java class instances?

   "Once we have defined our class and its constructors, we can create and use instances of it. Just as with regular variables, we need to declare instances of a class by providing the type and a variabl

2. How do you use Java instances and invoke their methods?

   "Once instances have been instantiated, they can be used by invoking their methods via the dot operator. The dot operator is used to select a member variable (if public) or member method.\n\n1 System.

3. What common methods do Java classes inherit?

   "Every class in Java has several methods that they inherit from the java.lang.Object class. Here, we will highlight three of these important methods."