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Java Lesson 5 – Loops

A cool feature in many programming languages is the ability to repeat code over and over. A common use for loops can be found in games. Games have an infinite loop that updates the game with new information, clears the screen, then redraws the game components using new information.
There are three different types of loops in Java. These consist of the for loop, the while loop, and the do-while loop.

The For loop

Java Lesson 3 – Variables

Welcome to the third Java lesson in the series. This time I want to introduce the idea of variables. Variables are a universal concept in all programming languages. The basic idea of a variable is a way for your program to remember information for later use. A good way to think about it is that it is a lot like coming across a dollar on the floor, then saving it in some kind of jar. At any time, you can look in that jar to see how much money you have.