String Buffer

Examples

Java

public String joinWords(String[] words) {
  String sentence = "";
  for (String w : words) {
    sentence = sentence + w;
  }
  return sentence;
}

public String joinWords(String[] words) {
  StringBuffer sentence = new StringBuffer();
  for (String w : words) {
    sentence.append(w);
  }
  return sentence.toString();
}