java罗马数字转换

在Java中，可以使用以下代码将数字转换为罗马数字：

public class RomanNumeralUtil {
    private static final int MIN_VALUE = 1;
    private static final int MAX_VALUE = 5999;
    private static final String\[\] RN_M = {"", "M", "MM", "MMM", "MMMM", "MMMMM"};
    private static final String\[\] RN_C = {"", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"};
    private static final String\[\] RN_X = {"", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"};
    private static final String\[\] RN_I = {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"};

    public static String generate(int number) {
        if (number < MIN_VALUE || number > MAX_VALUE) {
            throw new IllegalArgumentException(
                    String.format("The number must be in the range \[%d, %d\]", MIN_VALUE, MAX_VALUE));
        }
        return RN_M\[number / 1000\] + RN_C\[number % 1000 / 100\] + RN_X\[number % 100 / 10\] + RN_I\[number % 10\];
    }
}

这个代码定义了一个`RomanNumeralUtil`类，其中的`generate`方法接受一个整数作为参数，并返回对应的罗马数字。该方法首先检查输入的数字是否在指定范围内，然后根据数字的千位、百位、十位和个位分别从对应的数组中获取罗马数字的表示，最后将它们拼接起来返回。

你可以使用`RomanNumeralUtil.generate(number)`来将一个整数`number`转换为罗马数字。
#### 引用[.reference_title]
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