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

java ÊýÖµÀàÐÍת»»

¾ÍÊÇÈçºÎ°Ñ  String cardId="D42BBF2300A300";
ת³É long l = 0XD42BBF2300A300l;

Integer.parseInt(String str)Õâ¸öº¯ÊýÖªµÀÂð£¿
LongµÄ¶ÔÓ¦µÄ

ÖªµÀ°¡¡£¡£²»¹ý±¨´í¡£¡£¡£¡£¡£¡£¡£
Exception in thread "main" java.lang.NumberFormatException: For input string: "D42BBF2300A300l"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
        at java.lang.Long.parseLong(Long.java:403)
        at java.lang.Long.parseLong(Long.java:461)
        at serialP.Main.main(Main.java:77)
Java Result: 1


Java code:

public class ParseLong {

public static void main(String[] args) {

String cardId="D42BBF2300A300";
Long n = Long.parseLong(cardId, 16);
System.out.println(Long.toHexString(n));
}

}



Java code:
public static void main(String[] argv){
String cardId="D42BBF2300A300";
Long l = Long.parseLong(cardId,16);
System.out.println(l);
System.out.println(Long.toString(l,16));
}


ÒýÓÃ <


Ïà¹ØÎÊ´ð£º

linuxÏÂjavaµ÷ÓÃC£«£«¿âÖк¯ÊýµÄÎÊÌâ

²»ÖªµÀÊÇʲôԭÒò£¬ÎÒ¸ÃÈçºÎ´¦Àí£¬Çë´óϺÃÇÖ¸½ÌÁË£¬Ð¡µÜÔÚ´Ëл¹ý¡£¡£¡£¡£
´íÎóÐÅÏ¢ÈçÏ£º
The program being debugged was signaled while in a function called from GDB.
GDB has restored the context t ......

ÔÚjspÖÐÓÃsessionÔõôʵÏÖ¹ºÂò¹¦ÄÜ - Java / Web ¿ª·¢

ÎÒÏë×ö¹»¹ºÎï³µÓÃsession µ«ÊDz»ÖªµÀÔõô»ñÈ¡¹ºÂòÊýÁ¿ Ë­ÓоßÌåµÄ´úÂëÂð Ï£ÍûÄܸîÉá

ÏÂÃæÊǹºÎï³µµÄºËÐÄ´úÂë 
ÓÐÁËÕâ¸ö ¾ÍÓ¦¸ÃÄܹ»×ö³öÀ´°É
Java code:

public void doPost(HttpServletRequest reque ......

mapxtreme for java ÈçºÎÔÚͼ²ã»­Ïߣ¿

²éAPI£¬¿´µ½FeatrueFactoryÓÐÕâ¸ö·½·¨
public Feature createPolyLine(double[][] thePoints,
                              R ......

javaÖеÄÒÉÎÊ

1  public class BirthDate {
2 private int day;
3 private int month;
4 private int year;
5
6 public BirthDate (){}
7
8 public BirthDate (int d,int m,int y){
9 day = d;
......

ÕÐÆ¸Java web¿ª·¢ÈËÔ±

²àÖØÓÚ»¥ÁªÍø¿ª·¢

JAVA¿ª·¢¹¤³Ìʦ
ְλÃèÊö£º
1¡¢°´USECASE½øÐÐÒµÎñÐèÇó·ÖÎöºÍÈí¼þ¸ÅÒªÉè¼Æ£»
2¡¢½øÐÐÈí¼þÏêϸÉè¼ÆºÍ±àÂëʵÏÖ£¬È·±£ÐÔÄÜ¡¢ÖÊÁ¿ºÍ°²È«£»
3¡¢Î¬»¤ºÍÉý¼¶ÏÖÓÐÈí¼þ²úÆ·£¬¿ìËÙ¶¨Î»² ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ