Commons Lang、BooleanUtils.toString()
import org.apache.commons.lang.BooleanUtils; public class C2009032800 { public static void main(String[] args) { System.out.println(BooleanUtils.toString(true, "foo", "bar")); System.out.println(BooleanUtils.toString(false, "foo", "bar")); System.out.println(BooleanUtils.toString(new Boolean(true), "foo", "bar")); System.out.println(BooleanUtils.toString(new Boolean(false), "foo", "bar")); } }
で、
foo bar foo bar