public class Test { public static void main(String[] args) { Nashmap map = new Nashmap(10); System.out.println(20 % 10); map.put("foobkkar", "shrek"); System.out.println(map.get("foobkkar")); System.out.println(map.isEmpty()); map.delete("foobar"); System.out.println(map.isEmpty()); map.get("foobar"); map.put("foobar", "zoop"); System.out.println(map.get("foobar")); } }