Commons Lang、NumberUtils.max()
import org.apache.commons.lang.math.NumberUtils; public class C2008122800 { public static void main(String[] args) { int[] aryi = {3, 1, 2}; double[] aryd = {1.3, 1.1, 1.2}; System.out.println(NumberUtils.max(1, 2, 3)); System.out.println(NumberUtils.max(3, 1, 2)); System.out.println(NumberUtils.max(aryi)); System.out.println(NumberUtils.max(1.3, 1.1, 1.2)); System.out.println(NumberUtils.max(aryd)); } }
で、
3 3 3 1.3 1.3