Commons Lang、NumberUtils.min()

import org.apache.commons.lang.math.NumberUtils;

public class C2008122900 {
    public static void main(String[] args) {
        int[]    aryi = {3, 1, 2};
        double[] aryd = {1.3, 1.1, 1.2};

        System.out.println(NumberUtils.min(1, 2, 3));
        System.out.println(NumberUtils.min(3, 1, 2));
        System.out.println(NumberUtils.min(aryi));

        System.out.println(NumberUtils.min(1.3, 1.1, 1.2));
        System.out.println(NumberUtils.min(aryd));
    }
}

で、

1
1
1
1.1
1.1