Software Development Basics – Part 1: Variables and Data Types

In the beginning, God created… the integers, floating point numbers and the characters and strings…

 

In this post you will learn data types supported in Java – that you can and will use in your code – and the ways to initialize them, valid values, etc. This is important because you will be handling different types of data – integers, floating point numbers, characters – always in your code.

 

First of all.. what is a variable? A variable is space in memory that is reserved for you to store data of a specific type. You can change this value, manipulate it or do whatever you want with it.

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