Program to find whether number is positive or negative in Java

// else if ladder example
public class ElseIfLadder{
   public static void main(String[] args) {
       int a = 13;
       if (a < 0) {
           System.out.println("a is negative");
       } else if (a == 0) {
           System.out.println("a is zero");
       } else if (a > 0) {
           System.out.println("a is positive");
       }
   }
}

Output:
a is positive