Variables and Types

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Tutorial: Variables and Types

Data in memory is referred to by name. This is called a variable. You can think of a variable name as the human-usable equivalent of a memory address.

Tutorial Details:

Variable
Data in memory is referred to by name. This is called a variable. You can think of a variable name as the human-usable equivalent of a memory address.
Type
Every variable has a type (what kind of thing it is). Eg, int, String, ...
Declaration
Every variable must be declared once before using it. This tells the compiler that you're going to use it, and what kind of a thing it is.
String fullName;

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