Getting started with if-statement – Usage of relational operators

A statement is usually a test on a variable or the return value of a function. To test those values, we can use some relational operators:

Operator Meaning Example
== Equal to 1 == 1 is TRUE, 1 == 2 is FALSE
!= Not equal to 1 != 2 is TRUE, 1 != 1 is FALSE
< Less than 1 < 2 is TRUE, 2 < 1 is FALSE
> Greater than 2 > 1 is TRUE, 1 > 2 is FALSE
<= Less than or equal to 2 <= 2 is TRUE, 2 <= 3 is TRUE, 3 <= 2 is FALSE
>= Greater than or equal to 2 >= 2 is TRUE, 3 >= 2 is TRUE, 1 >= 2 is FALSE

If we are taking the following example:

a = 5;

if(a < 6)
{
    // Some code
}

Here the value of the variable a is inferior to 6. So the statement is true: the code will be executed.

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Getting started with if-statement – Usage of relational operators - CodeDay