Definition: An operator is used to change the content of a variable. There are a number of different types of operator.
- Assignment Operators eg: = += -= *= /= %= <<= >>= >>>= &= |= ^=
- Concatenation Operator eg: +
- Arithmetic Operators eg: + - * / % ++ --
- Comparison Operators eg: == != > < >= <=
- Logical Operators eg: && || !
- Bitwise Operators eg: & | ^ - << >> >>>
