异常实验.rar

import java.util.*; public class Test { public static void main(String[] args) { System.out.println(Person.count); //Person p = new Person(); //p.toString(); //p.setAge(20); Person[] people = new Person[4]; Student S = new Student("张三","男",19,"002"); S.toString(); S.work(); SuperMan S1 = new SuperMan("张三","男",19,"002"); S1.toString(); S1.work(); people[0]=S; people[1]=S1; people[2] = new Student("里斯","男",19,"002"); people[3] = new SuperMan("超人","男",19,"自带"); Scanner scan= new Scanner(System.in); int age=scan.nextInt(); Person p = new Person() { public void work() { } }; try{ p.setAge(age); }catch(lllegaException e) { System.out.println(e.getMessage()); e.printStackTrace(); } for(int i=0; i<people.length; i++) { people[i].toString(); if(people[i] instanceof SuperMan) ((SuperMan)people[i]).Fly(); } LinkedList<String> list = new LinkedList<>(); for(int i=0; i<5; i++) { list.add(i,scan.next()); } for(int i=0; i<list.size(); i++) { System.out.println(list.get(i)); } System.out.println(); for (String x:list) { System.out.print(x+" "); } Iterator<String> it = list.iterator(); while(it.hasNext()) { System.out.println(it.next()); } ArrayList<Integer> list2 = new ArrayList<>(); for(int i=0; i<10; i++) { list2.add(i,scan.nextInt()); } Iterator<Integer> it2 = list2.iterator(); while(it2.hasNext()) { int x=it2.next(); if(x>5) it2.remove(); else System.out.print(x+" "); } Set<Integer> ha = new HashSet<Integer>(); for(int i=0; i<10; i++) { ha.add(scan.nextInt()); } System.out.println(ha); } }