Changing to uppercase?

Question

I'm trying to change the first letter in a name to uppercase, I dont appear to have a problem chaning the letter to uppercase but I cant change the string. any help would be much appreciated.
thanx.
String name = "james";
          //Get the first character:
          char first = name.charAt(0);
          //Make the char uppercase:
          first = Character.toUpperCase(first);
          //replace the first character:
          StringBuffer nameBuffer = new StringBuffer(name);
          nameBuffer.replace(0, 1, new String(first));
          name = nameBuffer.toString();
          System.out.println(name);

Answer 1

String name = "james";
char[] chars = name.toCharArray();
chars[0] = Character.toUpperCase(chars[0]);
name = new String(chars);