Logical Operators with Examples in C# – Programming, Pseudocode Example, C# Programming Example

Logical Operators with Examples in C#

In C#, Logical Operators are useful to perform the logical operation between two operands like AND, OR, and NOT based on our requirements. The Logical Operators will always work with Boolean expressions (true or false) and return Boolean values.

The operands in logical operators must always contain only Boolean values. Otherwise, Logical Operators will throw an error.

The following table lists the different types of operators available in c# logical operators.

OperatorNameDescriptionExample (a = true, b = false)
&&Logical ANDIt returns true if both operands are non-zero.a && b (false)
||Logical ORIt returns true if any one operand becomes a non-zero.a || b (true)
!Logical NOTIt will return the reverse of a logical state that means if both operands are non-zero, it will return false.!(a && b) (true)

If we use Logical ANDOR operators in c# applications, those will return the result as shown below for different inputs.


If you observe the above table, if any one operand value becomes false, then the logical AND operator will return false. The logical OR operator will return true if any one operand value becomes true.

If we use the Logical NOT operator in our c# applications, it will return the results like as shown below for different inputs.


If you observe the above table, the Logical NOT operator will always return the reverse value of the operand. If the operand value is true, then the Logical NOT operator will return false and vice versa.

C# Logical Operators Example

Following is the example of using the Logical Operators in c# programming language.


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