Count Number Of Negative, Positive And Zeros Input in java

Question : Negative, Positive and Zero Values) Write a program that inputs five numbers and determines and prints the number of negative numbers input, the number of positive numbers input and the number of zeros input.

Java Program to Count Positive, Zero and Negative Numbers

/*
 *       Filename:  NegativePositiveZeroValues.java
 *
 *    Description:  Exercise 2.32 - Negative, Positive and Zero Values
 *
 *@Author:  Bilal Tahir Khan Meo
 *  Website: https://codeblah.com
 *
 * =====================================================================================
 */
import java.util.Scanner;

public class NegativePositiveZeroValues{

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int positive = 0, negative = 0, zero = 0;

        // no mention of only using chapter techniques so using a loop for
        // efficiency
        for(int i=0; i<5; i++){
            System.out.printf("%d/5. Enter integer: ", i+1);
            int val = sc.nextInt();

            if(isPositive(val)){
                positive++;
            }else if(isNegative(val)){
                negative++;
            }else if(isZero(val)){
                zero++;
            }
        }

        System.out.printf("Negative = %d\nPositive = %d\nZeros = %d\n",
                negative, positive, zero);
    }
    // determine value of integer
    private static boolean isPositive(int x){
        return x > 0;
    }
    private static boolean isNegative(int x){
        return x < 0;
    }
    private static boolean isZero(int x){
        return x == 0;
    }
}