Chapter 4: Java Expressions and Operators

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An expression in Java may result in three possible things:

- A variable
- A value
- Nothing

So that could look like:

aValue (variable)
5.6 (a value)
The last one that doesn't return anything could be a call to a method that returns void.

Expressions are often linked to one and other with operators and form larger expressions, like:

1 + 2 + 3;

The + sign is an operator. Read more about different operators further ahead.

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