The following program is showing array index out of bound exception error

Question

//program to find the maximum of two numbers

class Maxof2{

    public static void main(String args[]){
      //taking value as command line argument.
      //Converting String format to Integer value
      int i = Integer.parseInt(args[0]);
      int j = Integer.parseInt(args[1]);
      if(i > j)
        System.out.println(i+" is greater than "+j);
      else
        System.out.println(j+" is greater than "+i);
  }

}