链表模式

定义一个接口public interface Filter {

public static void main(String[] args) {Filter[] arrayFilters ={new CrudFilter(),new FaceFilter(),new HarmoniousFilter()};String result;String msg = ":),脏话   不和谐   关键字";for(int i = 0; i < arrayFilters.length; i++){msg = arrayFilters[i].doFilter(msg);}System.out.println(msg);}}