Operators

Expressions are the combination of constants, formulae and/or variables using operators. Expressions are used with operators to perform some action.An operator is used to manipulate individual data items and return a result. These sets of data items are known as operands.An Operator is represented through special characters or through keywords. Instance example, a multiplication operator is represented via ‘*’.The following section of this lesson deals with several operators. The several types of operators are:

•Arithmetic
•Character
•Comparison / Relational
•Logical
•Set