Qual das situações representa um cenário de melhor caso do método allEqual? //
Which situation represents a best-case scenario for the method allDEqual?
/**
 *
 * @param numbers : an array that is completely full
 * @return
 */
public static boolean allEqual(int[] numbers) {
    int x=numbers[0];
    int i=1;
    while (i<numbers.length && x==numbers[i])
        i++;
    return i==numbers.length;
}