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

java UnicodeÓëÖÐÎÄ»¥»»

static String string2Unicode(String s) {
try {
StringBuffer out = new StringBuffer("");
byte[] bytes = s.getBytes("unicode");
for (int i = 2; i < bytes.length - 1; i += 2) {
out.append("u");
String str = Integer.toHexString(bytes[i + 1] & 0xff);
for (int j = str.length(); j < 2; j++) {
out.append("0");
}
String str1 = Integer.toHexString(bytes[i] & 0xff);
out.append(str);
out.append(str1);
out.append(" ");
}
return out.toString().toUpperCase();
}
catch (UnsupportedEncodingException e) {
e.printStackTrace();
return null;
}
}

static String unicode2String(String unicodeStr){
StringBuffer sb = new StringBuffer();
String str[] = unicodeStr.toUpperCase().split("U");
for(int i=0;i


Ïà¹ØÎĵµ£º

JAVAÖÐÈ¥µô¿Õ¸ñtrimº¯ÊýµÄ·½·¨

¡¡1. String.trim()
¡¡¡¡trim()ÊÇÈ¥µôÊ×β¿Õ¸ñ
¡¡¡¡2.str.replace(" ", ""); È¥µôËùÓпոñ£¬°üÀ¨Ê×β¡¢Öмä
¡¡String str = " hell o ";
¡¡¡¡String str2 = str.replaceAll(" ", "");
¡¡¡¡System.out.println(str2);
¡¡¡¡3.»òÕßreplaceAll(" +",""); È¥µôË ......

Java ¶íÂÞ˹·½¿é

import java.awt.*;
import java.awt.event.*;
//¶íÂÞ˹·½¿éÀà
public class ERS_Block extends Frame{
 public static boolean isPlay=false;
 public static int level=1,score=0;
 public static TextField scoreField,levelField;
 
 public static MyTimer timer;
 Ga ......

javaÁ¬½Ó¸÷ÖÖÊý¾Ý¿âµÄÅäÖÃÎļþд·¨£¨×ª£©

²Î¿¼ÅäÖÃÎļþ
# ʾÀýÅäÖòο¼£¬º­¸Ç¼¸ºõËùÓеÄÖ÷Á÷Êý¾Ý¿â
############# OracleÊý¾Ý¿â ########################
#   Êý¾Ý¿âÇý¶¯Ãû
driver=oracle.jdbc.driver.OracleDriver
#   Êý¾Ý¿âURL(°üÀ¨¶Ë¿Ú£©
dburl=jdbc:oracle:thin:@127.0.0.1:1521:zvfdb
#   Êý¾Ý¿âÓû§Ãû
user=root
#& ......

ÏÖ´ú°æjava°®Çé

result love(boy, girl) ­
{ ­
    if( boy.Óз¿() and boy.Óгµ() ) ­
    { ­
        boy.set(nothing); ­
        return girl.¼Þ¸ø(boy); ­
  &n ......

java access sql

JDBCÁ¬½ÓMySQL
¼ÓÔØ¼°×¢²áJDBCÇý¶¯³ÌÐò
Class.forName("com.mysql.jdbc.Driver");
Class.forName("com.mysql.jdbc.Driver").newInstance();
JDBC URL ¶¨ÒåÇý¶¯³ÌÐòÓëÊý¾ÝÔ´Ö®¼äµÄÁ¬½Ó
±ê×¼Óï·¨£º
<protocol£¨Ö÷ҪͨѶЭÒ飩>:<subprotocol£¨´ÎҪͨѶЭÒ飬¼´Çý¶¯³ÌÐòÃû³Æ£©>:<da ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ