else-if construct

(else-if ladder)

    if ( condition-1 ) {

        statement; // condition-1 is true

    } else if ( condition-2 ) {

        statement; // condition-2 is true

    } else if ( condition-3 ) {

        statement; // condition-3 is true

    } else {

        // default case:
        statement; // all above conditions were false

    }