📜  java 舍入到小数点后 2 - Java 代码示例

📅  最后修改于: 2022-03-11 14:52:04.363000             🧑  作者: Mango

代码示例5
// calling the function round
round(200.3456, 2);

// Include this function in your class
public static double round(double value, int places) {
    if (places < 0) throw new IllegalArgumentException();

    BigDecimal bd = BigDecimal.valueOf(value);
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}