Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javaÓësql server 2005µÄÏà¹Ø²Ù×÷

//±¾³ÌÐòÁ¬½ÓµÄÊÇsql server 2005£¬ÓëÁ¬½Ósql server 2000Óе㲻ͬ£ºdriverNameºÍURL¶¼²»Í¬
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class create{
   public void getConnection() throws InstantiationException, IllegalAccessException, ClassNotFoundException, SQLException
   {
    Statement stmt = null;
    Connection  dbConn;
    ResultSet rs;
        String user="sa";
        String pass="";
        String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
        String URL = "jdbc:sqlserver://localhost:1433;DatabaseName=tempdb";
        try{
         Class.forName(driverName).newInstance();
          System.out.println("ok");
          dbConn = DriverManager.getConnection(URL,user,pass);
           System.out.println("Connection Successful!");
          stmt = dbConn.createStatement(); // »ñµÃÖ´ÐÐSQLÓïÑÔµÄÈÝÆ÷
          rs=dbConn.getMetaData().getTables(null, null, "testTb", null);
          if(rs.next()){
           System.out.println("testTb´æÔÚ!ÔÛÏÖÔÚ°ÑËüɾÁ˰ɣ¡");
           stmt.executeUpdate("drop table testTb");
              System.out.println("»ØÍ·ÔÙ¿´¿´£¬Ã»Á˰ɣ¿");
      &nb


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

Java NIO APIÏê½â

 
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔǰ£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......

javaÃæÊÔÌâ2

 18.×öÒ»¸öµ¥×ÓģʽµÄÀֻ࣬¼ÓÔØÒ»´ÎÊôÐÔÎļþ
package com.softeem.demo;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
*@authorleno
*µ¥×Óģʽ£¬±£Ö¤ÔÚÕû¸öÓ¦ÓÃÆÚ¼äÖ»¼ÓÔØÒ ......

[vb]ʹÓÃvbͳ¼Æ.javaµÄÐÐÊý

 ¹¤×÷ÐèÒª£¬Õë¶ÔjavaÎļþ£¬×÷ÁËÒ»¸öÐÐÊýͳ¼ÆµÄ¹¤¾ß¡£Í³¼ÆµÄÖ÷Òª´úÂëÈçÏ£º
    Set srcIn = fso.OpenTextFile(fileNm, ForReading)
    
    Do While Not srcIn.AtEndOfStream
        buf = srcIn.ReadLine
 &nbs ......

´ø×Åjavaѧpython

1. pythonÊÇÒ»ÖÖÈõÀàÐ͵Ľű¾ÓïÑÔ£¬ÔÚ¸ø±äÁ¿¸³ÖµÊÇÎÞÐèÖ¸¶¨±äÁ¿µÄÀàÐÍ£¬ÀýÈ磺
x=1                        #£¨ÕûÐÍ£©-------·¶Î§ÔÚ-2^31->2^31
x=2345L     &n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ