Write a program in java to input a number and check whether it is Positive or Negative or Neutral?

4)  Write a program in java to input a number and check whether it is Positive or Negative or Neutral?

public class positive_negative_neutral

{

   public static void main(int a)

   {

       if(a>0)

       {

           System.out.println("positive");

       }

       else if(a<0)

       {

           System.out.println("Negative");

       }

       else if(a==0)

       {

           System.out.println("Neutral");

        }

    }

}