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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
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