The Relational Operators in C are used to compare two variables, what if we want to compare more than one condition? Very simple, logical operators will do the trick for you.
The Logical operators in C are some of the C Programming Operator, which are used to combine two or more conditions and perform the logical operations using && (Logical AND), || (Logical OR) and ! (Logical NOT).
Below table shows all the list of Logical Operators in C with examples.
| OPERATORS | NAME | DESCRIPTION | EXAMPLE |
|---|---|---|---|
| && | logical AND | It will return true when both conditions are true | If (age > 18 && age <=35) |
| || | logical OR | It will returns true when at-least one of the condition is true | If (age > 35 || age < 60) |
| ! | logical NOT | If the condition is true, logical NOT operator makes it false | If age = 18 then!( age = 18) returns false. |
Let us see the truth tables behind the logical operators in C Programming for better understanding
&& (LOGICAL AND)
| Condition 1 | Condition 2 | Condition 1 && Condition 2 |
|---|---|---|
| True | True | True |
| True | False | False |
| False | True | False |
| False | False | False |
|| (C Programming LOGICAL OR)
| Condition 1 | Condition 2 | Condition 1 || Condition 2 |
|---|---|---|
| True | True | True |
| True | False | True |
| False | True | True |
| False | False | False |
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