javaÎļþ¹ýÂËÆ÷µÄʹÓÃ
javaÎļþ¹ýÂËÆ÷µÄʹÓôúÂëÈçÏ£º
²âÊÔ´úÂ룺package file;
import java.io.File;
public class fileFilter {
public static void main(String[] args) {
File file = new File("d:\\");//ÉèÖÃÎļþ·¾¶
for (File fileList : file.listFiles(new file.MyFileFilter())) {
System.out.println(fileList.getName());
}
}
}
¹ýÂËÆ÷´úÂ룺
package file;
import java.io.File;
import java.io.FileFilter;
public class MyFileFilter implements FileFilter {
//ʵÏÖFileFilterµÄ·½·¨
public boolean accept(File arg0) {
if (arg0.getName().endsWith(".class")) {
return true;
}
return false;
}
}
Ïà¹ØÎĵµ£º
JavaµÄException·ÖΪÁ½À࣬һÀàÊÇRuntimeException¼°Æä×ÓÀ࣬ÁíÍâÒ»Àà¾ÍÊÇchecked
Exception¡£JavaÒªÇóº¯Êý¶ÔûÓб»catch´¦ÀíµôµÄchecked
Exception£¬ÐèÒª½«ÆäдÔÚº¯ÊýµÄÉùÃ÷²¿·Ö¡£È»¶ø£¬ÕâÒ»ÒªÇó³£³£¸ø³ÌÐòÔ±´øÀ´Ò»Ð©²»±ØÒªµÄ¸ºµ£¡£
ΪÁ˱ÜÃâÔÚº¯ÊýÉùÃ÷ÖÐдthrows²¿·Ö£¬ÔÚJavaÏîÄ¿ÀïÃæ³£³£¿ÉÒÔ¿´µ½ÒÔÏ´úÂëÓÃÀ´‘Í ......
CookieÔÚWebÓ¦ÓóÌÐòÖб»¹ã·º²ÉÓã¬Î¬»¤ä¯ÀÀÆ÷ºÍ·þÎñÆ÷Ö®¼äµÄ״̬¡£Òź¶µÄÊÇÕâÒ»ÌØÐÔÔÚJava
MEƽ̨Öв¢Ã»Óеõ½Ö§³Ö¡£Òò´Ë£¬ÒªÏëά³Ö¿Í»§¶ËºÍ·þÎñÆ÷¶ËµÄ״̬Ôò±ØÐëʹÓÃURLÖØÐ´µÄ·½Ê½¡£URLÖØÐ´²Ù×÷ÆðÀ´±È½ÏÂé·³£¬ËùÒÔÑо¿Ò»ÏÂcookieµÄ
ÔÀí²¢ÔÚJava MEƽ̨ÉÏʵÏÖcookieÊDz»´íµÄ³¢ÊÔ¡£
Ê×ÏÈ£¬ÎÒÃÇÀ´¿´Ò»ÏÂcookieµÄÔÀí¡£µ± ......
1.¼¯ºÏµÄÌØµã£º
¶¼Î»ÓÚ java.util°üÖУ¬²»ÄÜ´æ·Å»ù±¾ÀàÐ͵ÄÊý¾Ý£¬¶øÖ»ÄÜ´æ·Å¶ÔÏóµÄÒýÓ㬲Ù×÷µÄÊýÄ¿¿ÉÒÔ²»¹Ì¶¨£¨ÀàËÆÓÚ¶¯Ì¬Êý×飩¡£
2.·ÖÀࣺ
ÓÐÈý¸öÀࣺ
a.Set(¼¯)£º¶ÔÏó²»°´Ìض¨·½Ê½ÅÅÐò£¬Ã»ÓÐÖØ¸´ÔªËØ¡£Õâ¸öÓëÊýѧÖеļ¯ºÏ¸ÅÄî×îÏàËÆ¡£
b.List(Áбí)£º°´ÕÕË÷ÒýλÖÃÅÅÐò£¬¿ÉÒÔÓÐÖØ¸´ÔªËØ£¬ÔÊÐí°´ÕÕ¶ÔÏóÔÚ¼¯ºÏÖеÄË ......
·½·¨µÄÖØÔØ
£ºÍ¬Ò»¸öÀàÀïÃæ·½·¨µÄÃû×ÖÏàͬ£¬·½·¨µÄ²ÎÊýÏÖ÷ÒªÊDzÎÊýÀàÐÍ£¬²ÎÊý¸öÊý£©
²»Í¬
,
·µ»ØÀàÐÍ¿ÉÄܲ»Í¬¡£
ÖØÔØ·½·¨¿ÉÒÔ¾ßÓв»Í¬µÄ·µ»ØÀàÐÍ£¬µ«·µ»ØÀàÐͱ¾Éí²»×ãÒÔÇø·Ö·½·¨µÄÁ½¸ö°æ
±¾¡£ ......