将int数组转换成字符串

/** 将int数组转换成字符串 * @param in * @return */public String arrayToString(int[] in){if (in == null)return "null";if (in.length == 0)return "no element";int length = in.length;StringBuffer buf = new StringBuffer();for (int i = 0; i < length; i++){if (i != 0){buf.append(",");}buf.append("[" + i + "]=" + in[i]);}return buf.toString();}