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Relational Operators in C Programming Language
Relational Operators in C
Relational Operators are the operators used to create a relationship and compare the values of two operands. For example, there are two numbers, 5 and 15, and we can get the greatest number using the greater than operator (>) that returns 15 as the greatest or larger number to the 5. Following are the various types of relational operators in C.
==
Equal To Operator (==) is used to compare both operands and returns 1 if both are equal or the same, and 0 represents the operands that are not equal.
!=
Not Equal To Operator (!=) is the opposite of the Equal To Operator and is represented as the (!=) operator. The Not Equal To Operator compares two operands and returns 1 if both operands are not the same; otherwise, it returns 0.
<
Less than Operator (<) is used to check whether the value of the left operand is less than the right operand, and if the statement is true, the operator is known as the Less than Operator.
>
Greater than Operator (>) checks the value of the left operand is greater than the right operand, and if the statement is true, the operator is said to be the Greater Than Operator.
<=
Less than Equal To Operator (<=) checks whether the value of the left operand is less than or equal to the right operand, and if the statement is true, the operator is said to be the Less than Equal To Operator.
>=
Greater than Equal To Operator (>=) checks whether the left operand's value is greater than or equal to the right operand. If the statement is true, the operator is said to be the Greater than Equal to Operator.
/* relational operators in C */
#include <stdio.h>
main() {
int a = 23;
int b = 9;
int c ;
if( a == b ) {
printf("Line 1 - a is equal to b\n" );
} else {
printf("Line 1 - a is not equal to b\n" );
}
if ( a < b ) {
printf("Line 2 - a is less than b\n" );
} else {
printf("Line 2 - a is not less than b\n" );
}
if ( a > b ) {
printf("Line 3 - a is greater than b\n" );
} else {
printf("Line 3 - a is not greater than b\n" );
}
/* Lets change value of a and b */
a = 5;
b = 20;
if ( a <= b ) {
printf("Line 4 - a is either less than or equal to b\n" );
}
if ( b >= a ) {
printf("Line 5 - b is either greater than or equal to b\n" );
}
}
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