java double类型保留两位小数并去除后面多余的0

 public static void main(String[] args) {double value=9.100001;//保留两位小数String format = String.format("%.2f", value);//去除多余的0String strValue = new BigDecimal(format).stripTrailingZeros().toPlainString();System.out.println("strValue = " + strValue);}