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   ×î½üÒ»Ö±ÔÚʹÓÃJava£¬¸Ð¾õËüµÄÔ½½ç¼ì²é·Ç³£ÓÐЧ¡£ÕâÒ»µã¶ÔÓÚ³õѧÕßÀ´ËµÊǷdz£ÖØÒªµÄ£¨Ìá¸ß³ÌÐòµÄÑϽ÷ÐÔ£©£¬¶ÔÓÚÓо­ÑéµÄ³ÌÐòÔ±À´ËµÒ²ºÜÓаïÖú¡£JavaÖÐÓÐÒ»¸öºÜÓÐЧµÄArrayListÀà(¶ÁÕß¿ÉÒÔ½áºÏJava API
À´Ñ§Ï°Ëü)£¬¡£ËüºÍÒ»°ãµÄÊý×é²»Ò»Ñù£¬²»ÐèÒªÌáǰ·ÖÅä¹Ì¶¨µÄ¿Õ¼ä£¨Ê¹ÓñȽÏÁé»î£©£¬Ã¿´ÎʹÓõÄʱºò¿ÉÒÔÌí¼Ó½øÐµÄÔªËØ£¨¸Ð¾õ¾ÍÊDzÙ×÷¶ÔÓÚ³ÌÐòÔ±À´ËµÍ¸Ã÷»¯ÁË£¬ÓÐÐËȤµÄ¿ÉÒÔ×Ô¼º±àдÀ´ÊµÏÖÕâ¸öÀàµÄһЩ·½·¨£©¡£
1.±ÈÈçÄãÐèÒªÌí¼ÓStringÀàÐ͵ÄÊý×飺
  ArrayList <String> s=new ArrayList<String>();//´´½¨ÁËsÀ´±£´æStringÊý×é
   s.add("hello");//ÏòsÖÐÌí¼Óhello×Ö·û´®
   s.add("arraylist");
   for(int i=0;i<s.size();i++)//s.size()ÊÇArrayListµÄÒ»¸ö·½·¨£¬·µ»Ø½á¹ûÊÇsµÄ´óС,¾ÍÏñÊý×éµÄ³¤¶ÈÒ»Ñù
  System.out.print(s.get(i)+“ ”);//s.get(i)ÊÇ»ñÈ¡sµÄµÚi¸öÔªËØÁË
 ÕâÑùÔÚÖն˾ͻá´òÓ¡³öÈçϽá¹û£ºhello arraylist
 2.µ±¶ÁÕßÐèÒª¶¨Òå×Ô¼ºÀ࣬²¢ÇÒÐèÒªÕë¶ÔËüÀ´´´½¨Êý×éµÄ»°£¬¿ÉÒÔÕâÑùʹÓã¨ÕâÀïÎÒÃǼÙÉ趨ÒåÒ»¸öѧÉúÐÅÏ¢£©£º
  class Student//ÎÒÃDz»¶¨Òå·½·¨£¨³ý¹¹Ôì·½·¨ÒÔÍ⣩£¬Ò²¾ÍÊÇ˵°ÑStudentÀà×÷ΪCÓïÑÔÖеĽṹÌåÀ´Ê¹ÓÃ
{
    String no;//ѧºÅ
    String name;//ѧÉúÐÕÃû
    String home;//¼Òͥסַ
   public Student(String no, String name, String home)
{
 this.no=no; this.name=name;this.home=home;
}
}
ArrayList <Student> s=new ArrayList<Student>();
 s.add(new("001","Csdn","China"));//Ìí¼ÓÁËÒ»¸öѧÉú
//Èç¹ûÐèÒªÊä³ö»òÕßÊDZðµÄ´¦Àí£¬Çë¶ÁÕ߲ο¼api
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