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

java ʵÏÖÖÐÓ¢ÎÄ»ìʱµÃµ½³¤¶È ¹ý³¤×Ö·ûÌæ»»

java ´úÂëʵÏÖ
 public static boolean isLetter(char c) { 
                 int k = 0x80; 
                 return c / k == 0 ? true : false; 
             } 
          
             /**
              * µÃµ½Ò»¸ö×Ö·û´®µÄ³¤¶È,ÏÔʾµÄ³¤¶È,Ò»¸öºº×Ö»òÈÕº«Îij¤¶ÈΪ2,Ó¢ÎÄ×Ö·û³¤¶ÈΪ1
              * 
              * @param s ÐèÒªµÃµ½³¤¶ÈµÄ×Ö·û´®
              * @return iµÃµ½µÄ×Ö·û´®³¤¶È
              */ 
             public static int strlength(String s) { 
                 if (s == null) 
                     return 0; 
                 char[] c = s.toCharArray(); 
                 int len = 0; 
                 for (int i = 0; i < c.length; i++) { 
                     len++; 
                     if (!isLetter(c[i])) { 
 &


Ïà¹ØÎĵµ£º

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 ......

JavaÖ®¸¸James Gosling̸¼ÆËã»ú±à³ÌÒÕÊõ

2002Äê£¬ÖøÃûµÄ”Java2ÐéÄâ»úÄÚÄ»”×÷Õß¶ÔJavaÖ®¸¸Õ²Ä·Ë¹·¸ß˹ÁÖ½øÐÐÁË·Ã̸£¬Ì¸»°ÖУ¬¸ß˹ÁÖ¾ÍÈí¼þÉè¼ÆµÄ¸´ÔÓÐÔºÍËã·¨·¢±íÁËËûµÄһЩ¿´·¨¡£¶ÔÓÐÖ¾ÓÚ´ÓÊÂITÈí¼þÐÐÒµµÄͯЬÀ´Ëµ£¬ÌýÌýר¼ÒµÄÒâ¼û£¬Ó¦¸Ã»¹ÊDz»ÎÞñÔÒæµÄ¡£
JavaÖ®¸¸James Gosling
2002Äê3ÔÂ22ÈÕ£¬Bill Venners²É·ÃÁËJavaÖ®¸¸£¬Ì¸ÂÛÁËÓÐ¹ØÆóÒµÈ ......

java IO learning

javaѧϰ:³¹µ×Ã÷°×JavaµÄIOϵͳ
ÎÄÕÂÀ´Ô´£º»¥ÁªÍø
Ò»£® InputºÍOutput
1. stream´ú±íµÄÊÇÈκÎÓÐÄÜÁ¦²ú³öÊý¾ÝµÄÊý¾ÝÔ´£¬»òÊÇÈκÎÓÐÄÜÁ¦½ÓÊÕÊý¾ÝµÄ½ÓÊÕÔ´¡£ÔÚJavaµÄIOÖУ¬ËùÓеÄstream£¨°üÀ¨InputºÍOut stream£©¶¼°üÀ¨Á½ÖÖÀàÐÍ£º
1.1 ÒÔ×Ö½ÚΪµ¼ÏòµÄstream
ÒÔ×Ö½ÚΪµ¼ÏòµÄstream£¬±íʾÒÔ×Ö½ÚΪµ¥Î»´ÓstreamÖжÁÈ¡»òÍùst ......

ÿ¸öJava³õѧÕß¶¼Ó¦¸Ã¸ã¶®µÄÁù¸öÎÊÌâ

¶ÔÓÚÕâ¸öϵÁÐÀïµÄÎÊÌ⣬ÿ¸öѧJavaµÄÈ˶¼Ó¦¸Ã¸ã¶®¡£µ±È»£¬Èç¹ûÖ»ÊÇѧJavaÍæÍæ¾ÍÎÞËùνÁË¡£Èç¹ûÄãÈÏΪ×Ô¼ºÒѾ­³¬Ô½³õѧÕßÁË£¬È´²»ºÜ¶®ÕâЩÎÊÌ⣬Ç뽫Äã×Ô¼ºÖعé³õѧÕßÐÐÁС£ÄÚÈݾùÀ´×ÔÓÚCSDNµÄ¾­µäÀÏÌù¡£
¡¡¡¡ÎÊÌâÒ»£ºÎÒÉùÃ÷ÁËʲô£¡
String s = "Hello world!";
¡¡¡¡Ðí¶àÈ˶¼×ö¹ýÕâÑùµÄÊÂÇ飬µ«ÊÇ£¬ÎÒÃǵ½µ×ÉùÃ÷ÁËʲô£¿ ......

ÔÚÉÐѧÌÃѧÍêjavaÈÃÎÒÇáËɸ㶨¹¤×÷

ÔÚÉÐѧÌÃѧÍêjavaÈÃÎÒÇáËɸ㶨¹¤×÷
¡¾Ñ§Ô±¹ÊÊ¡¿À´×ÔÉÐѧÌÃÕæÈËÕæÊ                                       &n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ