String类型数字始终保留两位小数

public static void main(String[] args) {
       DecimalFormat format = new DecimalFormat("0.00");
       String abc ="100.456";
       String a = format.format(new BigDecimal(abc));
       System.out.println(a);
   }

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转载自blog.csdn.net/qq_19316267/article/details/79973702
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