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• 0.2.0
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• NumberUtils.java

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io.github.imsejin.common.util.NumberUtils Maven / Gradle / Ivy

package io.github.imsejin.common.util;

import java.text.NumberFormat;

public final class NumberUtils {

    private static final NumberFormat formatter = NumberFormat.getInstance();

    static {
        formatter.setGroupingUsed(false);
    }

    public static String format(double decimal) {
        return formatter.format(decimal);
    }

    public static double floor(double amount, int len) {
        return Double.parseDouble(String.format("%." + len + "f", amount));
    }

}