Create formatted string from ArrayList

Question

Consider following code:

    ArrayList aList = new ArrayList();
    aList.add(2134);
    aList.add(3423);
    aList.add(4234);
         


        

Answer 1

How about this from google-guava

String joinedStr = Joiner.on(",").join(aList);

System.out.println("("+JjoinedStr+")");