Question

how to convert small letter to capital letter in Arrays.

Answer 1

public class Main {

   public static void main(String[] args) {

       System.out.println("Number of args:" +

          args.length);

       for(int i=0; i<args.length; i++){

           char dollar = '\u0024';

           System.out.println(dollar + args[i]);

       }

   }

}