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java gui Ñ¡ÔñÎļþ

import java.io.File;
import java.io.IOException;
import java.util.Scanner;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JTextArea;
public class DisplayFile {
       /**
        * @param args
        */
       public static void main(String[] args)throws IOException {
              // TODO Auto-generated method stub
              JFrame frame =new JFrame("Display File");
              frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
              JTextArea ta=new JTextArea(20,30);
              JFileChooser chooser=new JFileChooser();
              int status =chooser.showOpenDialog(null);
              if(status!=JFileChooser.APPROVE_OPTION)
                     ta.setText("No file chosen!");
              else
              {
                     File file=chooser.getSelectedFile();
                     Scanner scan=new Scanner(file);
            &nb


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sql 2005 ´æ´¢¹ý³Ì·ÖÒ³ java ´úÂë

 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ ......

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 ......

java Îļþ¶Áд_FileInputStream_File

package test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class Test {
 public static void main(String arg[]) {
  String fileName = "E:\\share\\test.txt";
  File file = new File(fileName);
......

JAVA split Ó÷¨

java.lang.string.split
split ·½·¨
½«Ò»¸ö×Ö·û´®·Ö¸îΪ×Ó×Ö·û´®£¬È»ºó½«½á¹û×÷Ϊ×Ö·û´®Êý×é·µ»Ø¡£
stringObj.split([separator£¬[limit]])
stringObj
±ØÑ¡Ïî¡£Òª±»·Ö½âµÄ String ¶ÔÏó»òÎÄ×Ö¡£¸Ã¶ÔÏ󲻻ᱻ split ·½·¨Ð޸ġ£
separator
¿ÉÑ¡Ïî¡£×Ö·û´®»ò ÕýÔò±í´ïʽ ¶ÔÏó£¬Ëü±êʶÁË·Ö¸ô×Ö·û´®Ê±Ê¹ÓõÄÊÇÒ»¸ö»¹ÊǶà ......

Ubuntu linuxÏÂJavaµÄ°²×°


 javaµÄ°²×°
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sudo apt-get install sun-java6-jre
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sudo apt-get install sun-java6-jdk
Ìáʾ£º°²×°¹ý³ÌÖÐÐèÒªÄã»Ø´ðÊÇ·ñͬÒâʹÓÃЭÒ飨ÖÕ¶ËÖкìÀ ......
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