Logical Operators

Logical Operators are used for performing logical operations , such as joining(Or,And) conditions ,negations(Not).

Following table shows all the logical operators supported by C language.

Operators	What They Do ..	Precedence
!	It gives the complement of all values. In C , all values are Positive(Boolean 1) except 0.	1
&&	Performs the AND operation on operands.	2
||	Performs the OR operation.	3

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C Example

#include<stdio.h>

int main() {

	int a=10,b=20,c=30,d,e,g,h,f;

	d=!a;

	e=((a>b)&&(a<c));

	//  One condition false

	f=((a<b)&&(a<c));

	//  Both conditions  true

	g=((a>b)||(a<c));

	//  One condition true

	h=((a>b)||(c< a));

	//  Both conditions false

	printf("a=%d , b=%d",a,b);

	printf("\n\nd=%d , e=%d",d,e);

	return 0;

}

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