摘要：
public class MapText { public static void main(String[] args) { // TODO Auto-generated method stub Mapmap = new HashMap(); Emp emp = new Emp("351", "张三"); ... 阅读全文
摘要：
public class updateStu { public static void main(String[] args) { // TODO Auto-generated method stub Mapmap = new HashMap(); map.put("01","李同学"); map.put("02", "魏同... 阅读全文
摘要：
public class UpdateStu implements Comparable{ String name; long id; public UpdateStu(String name,long id) { // TODO Auto-generated constructor stub this.id = id; ... 阅读全文
摘要：
public class Gather { public static void main(String[] args) { // TODO Auto-generated method stub LinkedList stringList = new LinkedList(); stringList.add("a"); s... 阅读全文