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

JavaÓïÑÔÈçºÎ·ÃÎʲ»Í¬×Ö·û¼¯µÄOracleÊý¾Ý

Ò»¡¢java·ÃÎÊÖÐÎÄOracleÊý¾Ý¿âÉÏÁ¬½ÓµÄUS7ASCIIÊý¾Ý¿â
1¡¢¶Á·½·¨
public String convertLink_DB(String s) {
  if(s != null){
   try{
    byte[] b = s.getBytes();
    for(int i=0; i<b.length; i++){
     b[i] = (byte)(b[i]-128);
    }
    return new String(b, "gb2312");
   }catch(Exception e){
    e.printStackTrace();
    return "";
   }
  }
  return "";
 }
2¡¢Ð´·½·¨
public String convertLink_DB(String s) {
  if(s != null){
   try{
    byte[] b = s.getBytes();
    for(int i=0; i<b.length; i++){
     b[i] = (byte)(b[i]+128);
    }
    return new String(b, "gb2312");
   }catch(Exception e){
    e.printStackTrace();
    return "";
   }
  }
  return "";
 }
Ò»¡¢java·ÃÎÊÓ¢ÎÄOracleÊý¾Ý¿â
1¡¢¶Á
new String(s, "gb2312");
2¡¢Ð´
new String(s, "8859-1");


Ïà¹ØÎĵµ£º

Java µÄͼÐÎÓû§½çÃæAWT°ü


¢AWT£ºAbstract Window Toolkit
¢GUI£º Graphical User Interface
          ͨ¹ýÌṩ²Ëµ¥¡¢°´Å¥¡¢±êÇ©±êʶ¡¢Êó±êµÈ£¬Íê³É¶Ô¼ÆËã»ú·¢³öÖ¸Áî¡¢Æô¶¯Ó¦ÓóÌÐòµÈ²Ù×÷ÈÎÎñ¡£
¢ÔÚjavaÖУ¬AWTÊÇÓÃÀ´´¦ÀíͼÐÎ×î»ù±¾µÄ·½Ê½£¬Ëü¿ÉÒÔÓÃÀ´´´½¨javaµÄappletºÍ´°¿Ú¡ ......

JAVA»ù´¡£­£­JAVAÖеķ´Éä»úÖÆÏê½â

תÌù£ºhttp://java.ccidnet.com/art/3539/20070924/1222147_1.html
 
JAVA·´Éä»úÖÆ
    JAVA·´Éä»úÖÆÊÇÔÚÔËÐÐ״̬ÖУ¬¶ÔÓÚÈÎÒâÒ»¸öÀ࣬¶¼Äܹ»ÖªµÀÕâ¸öÀàµÄËùÓÐÊôÐԺͷ½·¨£»¶ÔÓÚÈÎÒâÒ»¸ö¶ÔÏ󣬶¼Äܹ»µ÷ÓÃËüµÄÈÎÒâÒ»¸ö·½·¨£»ÕâÖÖ¶¯Ì¬»ñÈ¡µÄÐÅÏ¢ÒÔ¼°¶¯Ì¬µ÷ÓöÔÏóµÄ·½·¨µÄ¹¦ÄܳÆÎªjavaÓïÑԵķ´Éä»ú ......

JavaÎļþÖÐΪʲô»áÓÐserialVersionUID

һЩjavaÀàÖÐΪʲôÐèÒªÖØÔØ serialVersionUID ÊôÐÔ¡£
ÔÚJavaÖУ¬Èí¼þµÄ¼æÈÝÐÔÊÇÒ»¸ö´óÎÊÌ⣬ÓÈÆäÔÚʹÓõ½¶ÔÏó´®ÐÐÐÔµÄʱºò£¬ÄÇôÔÚijһ¸ö¶ÔÏóÒѾ­±»´®Ðл¯ÁË£¬¿ÉÊÇÕâ¸ö¶ÔÏóÓÖ±»Ð޸ĺóÖØÐ²¿ÊðÁË£¬ÄÇôÔÚÕâÖÖÇé¿öÏ£¬ ÓÃÀÏÈí¼þÀ´¶ÁÈ¡ÐÂÎļþ¸ñʽËäÈ»²»ÊÇʲôÄÑÊ£¬µ«ÊÇÓпÉÄܶªÊ§Ò»Ð©ÐÅÏ¢¡£
serialVersionUID À´½â¾öÕâЩΠ......

javaÖлñµÃÊý×éÖÐ×îСµÄÊý

public static void main(String[] args)
{
Integer[] arrInt = new Integer[6];
arrInt[0] = 123;
arrInt[1] = 3453;
arrInt[2] = 345;
arrInt[3] = 23;
arrInt[4] = 11;
arrInt[5] = 345;

int temp = 0;
for (int i ......

Java ѧÉú¹ÜÀíϵͳ´úÂë

//³õѧJAVA  ¿ª·¢ÁËÒ»¸ö ѧÉú¹ÜÀí³ÌÐò£¬ÄóöÀ´É¹É¹£¬ÒÔ±ã´ó¼Ò²Î¿¼»òÆÀÂÛ Ö¸³ö²»×ãÖ®´¦£¡Ð»Ð» ÓÉÓÚ´Ë´¦²»ÄÜÉÏ´«ÕÕÆ¬£¬¹Ê·ÅÔÚÎÒµÄÏà
//²áÀïÃæ
//Õâ¸öµÇÈë½çÃæµÄ³ÌÐò£º
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
impor ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ