An example of a strictly-typed language is ActionScript (the language Flash apps are written in), and the same variable declaration we just wrote would look like this in ActionScript 3: var ...

For example, a variable can be used in the program that controls an automatic car park barrier. It can keep track of the number of cars going in and out and decide whether to let more cars in.

For example, a variable can be used in the program that controls an automatic car park barrier. It can keep track of the number of cars going in and out and decide whether to let more cars in.