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import java.util.*;
public class stack
{
private List list=new ArrayList();
private int index=0;
public void push(Object obj)
{
list.add(index,obj);
index++;
}
public Object pop()
{
index--;
return list.get(index);
}
}
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create database userdb;
use userdb;
create table userinfo(
id int(10) not null auto_increment,
username varchar(20),
password varchar(20),
primary key(id));
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¹Ø¼ü×Ö: java annotation×¢ÊÍ
JAVA´ÓJ2SE5¿ªÊ¼ÌṩÃûΪannotation£¨×¢ÊÍ£¬±ê×¢£©µÄ¹¦ÄÜ¡£JavaµÄannotation£¬¿ÉÒÔ¸½¼ÓÔÚpackage, class, method, fieldµÈÉÏÃæ£¬Ï൱ÓÚ¸øËüÃÇÌí¼ÓÁ˶îÍâµÄ¸¨ÖúÐÅÏ¢¡£¸½¼ÓÔÚpackage, class, method, fieldµÈÉϵÄAnnotation£¬Èç¹ûûÓÐÍⲿ½âÎö¹¤¾ßµÈ¶ÔÆä¼ÓÒÔ½â ......
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.sql.Timestamp;
import java.util.Arrays;
public class SmallToBig {
private String newFileName;// ÐÂÎļþÃû×Ö
private String filterName;// ¹ýÂ˹æÔòÃû×Ö
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