[html] <span style="font-size:18px;">Map<string,student> map=new Map<string,student>; Student stu1=new Student(1,longer,male); Student stu1=new Student(1,longer,male); map.put("1",stu1); map.put("2" stu2); 三種方法遍歷map 1 Collection<studnet> c=map.values(); for(Iterator lt=c.iterator();it.hasNext();) { studnet=it.next(); } 2 set<string> c=map.keySet(); for(Iterator lt=c.iterator();it.hasNext();) { www.2cto.com String id=(String)it.next(); map.get(id); 3 } set<Map.entry<string,student>> c=map.entrySet(); for(Iterator it=c.iterator;it.hasNext;){ Map.Entry<string,studnet> entry=(Map.Entry<string,student>)it.next(); entry.getKey(); entry.getValue(); }</span>
