1 package test;2 3 import java.util.ArrayList ;4 import java.util.Comparator ;5 import java.util.HashMap ;6 import java.util.List ;7 8 public class GenericBoundIsClassUse<T extends List > {9 10 public static <T extends ArrayList > void test1(T t) {11 }12 13 public static <T extends HashMap & Comparator > void test1(T t) {14 }15 16 }17