ifThenElse.ino

int age = /* some user input*/;
if( condition_1 ) {
// if condition_1 is true, then do some stuff here and skip all the else clauses
} else if( condition_2 ) {
// if condition_1 is false but condition_2 is true, then do some stuff here then skip the last else clause
} else {
// if condition_1 and condition_2 are false, then do stuff here
}