Hacer que un caso default regrese a la tarea anterior

public static String getDayOfWeek(int dayNumber) {
    String dayOfWeek = "";

    if(dayNumber == 1) {
        dayOfWeek = "Monday";
    } else if(dayNumber == 2) {
        dayOfWeek = "Tuesday";
    } else if(dayNumber == 3) {
        dayOfWeek = "Wednesday";
    } else if(dayNumber == 4) {
        dayOfWeek = "Thursday";
    } else if(dayNumber == 5) {
        dayOfWeek = "Friday";
    } else if(dayNumber == 6) {
        dayOfWeek = "Saturday";
    } else if(dayNumber == 7) {
        dayOfWeek = "Sunday";
    } else {
        dayOfWeek = "Weekday";
    }

    return dayOfWeek;
}