Commons Lang、BooleanUtils.toInteger()

import org.apache.commons.lang.BooleanUtils;

public class C2009032600 {
    public static void main(String[] args) {
        System.out.println(BooleanUtils.toInteger(true));
        System.out.println(BooleanUtils.toInteger(false));
        System.out.println(BooleanUtils.toInteger(true,  10, 20));
        System.out.println(BooleanUtils.toInteger(false, 10, 20));
        System.out.println(BooleanUtils.toInteger(new Boolean(true),  10, 20));
        System.out.println(BooleanUtils.toInteger(new Boolean(false), 10, 20));
    }
}

で、

1
0
10
20
10
20