If Statement in C





If block contains the condition, if condition is true, then the statement will execute and if the condition is not true then the statement will not execute.

Syntax :

if(boolean_expression){
/*statements will execute if the boolean expression is true */
}               

Block Diagram :

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Example:

#include<stdio.h>
int main(){
// local variable declaration:
  int a = 10; 
  // check the  condition
  if( a < 20 ) {
/* if condition is true then print 
   the following */

    printf("a is less than 20");
   }
  printf("\nvalue of a is : %d",a);
  return 0;
}
OUTPUT
a is less than 20
value of a is : 10

Next topic is if-else statement






 



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