考虑以下代码:ArrayListaList=newArrayList();aList.add(2134);aList.add(3423);aList.add(4234);aList.add(343);StringtmpString="(";for(intaValue:aList){tmpString+=aValue+",";}tmpString=(String)tmpString.subSequence(0,tmpString.length()-1)+")";System.out.println(tmpString);我这里的结果是预期的(2134,3423,4234,343)..我确