code: public static String capitalize(String input) {
  
  		if (input == null) {
  			return null;
  		}
  
  		if (input.length() > 1) {
  			for (int i = 0; i < input.length(); i++) {
  				if (Character.isAlphabetic(input.charAt(i))) {
  					return input.substring(0, i) + Character.toString(input.charAt(i)).toUpperCase() + input.substring(i + 1);
  				}
  			}
  		}
  
  		return input.toUpperCase();
  	}
docs: Capitalizes first character in given string
  
  @param input to capitalize first character
  @return capitalized string or null if null