7 kyu Sort the Gift Code

gistfile1.txt

import java.util.Arrays;

public class GiftSorter{
  public String sortGiftCode(String code){
    String[] arrayOfSymbol = code.split("");
    Arrays.sort(arrayOfSymbol);
    
    StringBuilder sb = new StringBuilder();
    for (String oneSymbol: arrayOfSymbol) 
      sb.append(oneSymbol);
    
    return sb.toString();

  }
}