Static Variables and Methods

We previously discussed static methods in Unit 2. Let’s take a final look at them in this section.

Important points

• A static method is associated with the class, not the objects of the class.

• Static methods include the static keyword in the header before the method name.

• Static methods cannot access or change the values of instance variables, except for the static ones.

• A non-static method can access or change the values of both static and non-static instance variables.

• Static variables belong to the class, with all objects of a class sharing a single static variable.

Let’s go over this example: