C++ if, if...else and Nested if...else In computer programming, we use the if...else statement to run one block of code under certain conditions and another block of code under different conditions. For example, assigning grades (A, B, C) based on marks obtained by a student. if the percentage is above 90 , assign grade A if the percentage is above 75 , assign grade B if the percentage is above 65 , assign grade C There are three forms of if...else statements in C++. if statement if...else statement if...else if...else statement C++ if Statement The syntax of the if statement is: if (condition) { // body of if statement } The if statement evaluates the condition inside the parentheses ( ) . If the condition evaluates to true , the code inside the body of if is executed. If the condition evaluates to false , the code inside the body of if is skipped. Note: The code inside { } is the body of the if statement. How if Statement Works Example 1: C++
