Variable Declaration

+ A Java variable is made by declaring the type (int) and providing a unique name (number).

- int number;

+ We can assign a value to the variable

- number = 100;

Variables as Boxes

Pretend you are moving houses, we can only put kitchen utensils into the box labelled kitchen

Variable

We reserve a piece of computer memory that has a type identifier and stores a value of that type.

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Variables in Memory

When we declare a variable, a block of memory stores the value that we assign to the variable