الخوارزمياتالتعامل مع المصفوفة ذات البعد الواحد - التمرين الثالث

import java.util.Scanner;
 
public class Vector {
 
    public static void main (String[] args) {
 
        Scanner input = new Scanner(System.in);
 
        int L;
        int[] vector;
        int P = 0;
        int N = 0;
        int Z = 0;
 
        do
        {
            System.out.print("Enter the length of the vector: ");
            L = input.nextInt();
        }
        while ( L<= 0 );
 
        vector = new int[L];
 
        for (int i=0; i<=L-1; i++)
        {
            System.out.print("Enter vector[" +i+ "]: " );
            vector[i] = input.nextInt();
 
            if ( vector[i] > 0 )
            {
                P = P + 1;
            }
 
            else if ( vector[i] < 0 )
            {
                N = N + 1;
            }
 
            else
            {
                Z = Z + 1;
            }
        }
 
        System.out.print("The number of positive numbers is: " +P+ "\n" );
        System.out.print("The number of negative numbers is: " +N+ "\n" );
        System.out.print("The number of zero numbers is: " +Z+ "\n" );
 
    }
 
}