java 2nd slot 3rd prgm

import java.util.Scanner;
public class Main {
	private static Scanner sc;
	public static void main(String[] args) 
	{
		int Size=20, i;
		int positive = 0, negative = 0,odd=0,even=0,zero=0;
		sc = new Scanner(System.in);
	 
		int [] a = new int[Size];
		
		System.out.print("Enter elements in array: \n");
		for (i = 0; i < Size; i++)
			a[i] = sc.nextInt();
	
		for(i = 0; i < Size; i++)
		{
			if(a[i] >= 0)
				positive++;
		    if(a[i] < 0)
				negative++;
		 if(a[i]%2==0)
			    even++;
		if(a[i]%2!=0)
			    odd++;
			if(a[i]==0)
			    zero++;
		}		
		
	  System.out.println("Total  Negative Numbers   " + negative);
	  System.out.println("Total  Positive Numbers  " + positive);
	  System.out.println("Total  Even Numbers  " + even);
	  System.out.println("Total  Odd Numbers  " + odd);
	  System.out.println("Total  Zeros   " + zero);
	}
}