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Unary operator

The word ‘unary’ refers to a single unit. Unary operators are so-called because they perform operations on a single operand. For the purposes of this course, we will only discuss …

Arithmetic operators

Arithmetic operators are used to do simple maths, or arithmetic, inside the code. For example, we might want to add the value of one variable to another. Operator Symbol Addition …

Assignment operator

The assignment operator is used to assign values to a variable called an ‘operand’ (we introduced you to this operator through examples in the last step). For example: float mBallX; …

Introduction to data types and variables

Variables are like containers. These containers are used for storing data. In this video, you’ll learn more about variables and how they are used, as well as the types of …

About bugs…

An error in a computer program is often referred to as a “bug“. Legend has it that this dates back to early computers (large electromechanical machines that could easily fill …

Using data types and variables

Variables Variables can be thought of as ‘containers’ for data. Each variable has to have a unique name, so that you can refer back to it in the program. By …