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

Java enum ö¾ÙÀàÐÍ

Java enum ö¾ÙÀàÐÍ
ö¾ÙÀàÐÍÊÇÒ»¸ö³£Á¿¼¯ºÏµÄÊý¾ÝÀàÐÍ¡£
ÒòΪ¶¼Êdz£Á¿£¬ËùÒÔÒ»¸öö¾ÙÀàÐÍÖеÄ×Ö¶ÎÃû¶¼Òª´óд¡£
ÔÚJAVAÖУ¬Ã¶¾ÙÀàÐ͵͍ÒåÊÇͨ¹ý“enum“¹Ø¼ü×Ö½øÐеġ£ÀýÈçÄãÒª¶¨Òå
Ò»¸ö±íʾһ¸öÐÇÆÚµÄÿһÌìµÄö¾ÙÀàÐÍ£º
public enum Day {
  SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY,
  SATURDAY
}
Ç¿ÁÒ½¨Òéµ±ÄãÐèÒª¶¨ÒåÒ»×é³£Á¿Ê±£¬Ê¹ÓÃö¾ÙÀàÐÍ¡£
ÏÂÃæÎÒÃÇÀ´¿´ÔõÑùʹÓÃÉÏÃæ¶¨ÒåµÄÀàÐÍDay£º
public class EnumTest {
  Day day;
 
  public EnumTest(Day day){
    this.day = day;
  }
 
  public void tellItLikeItIs(){
    switch(day){
      case MONDAY: System.out.println("Mondays are bad."); break;
      case FRIDAY: System.out.println("Fridays are better"); break;
      case SATURDAY:
      case SUNDAY: System.out.println("Weekends are best"); break;
      default: System.out.println("Midweek days are so-so.")
    }
  }
 
  public static void main(String[] args){
    EnumTest firstDay = new EnumTest(Day.MONDAY);
    firstDay.tellItLikeItIs();
    EnumTest thirdDay = new EnumTest(Day.WEDNESDAY);
        thirdDay.tellItLikeItIs();
        EnumTest fifthDay = new EnumTest(Day.FRIDAY);
        fifthDay.tellItLikeItIs();
        EnumTest sixthDay = new EnumTest(Day.SATURDAY);
        sixthDay.tellItLikeItIs();
        EnumTest seventhDay = new EnumTest(Day.SUNDAY);
        seventhDay.tellItLikeItIs();
  }
}
Êä³ö£º
Mondays are bad.
Midweek days are so-so.
Fridays are better.
Weekends are best.
Weekends are best.
JAVAÖе


Ïà¹ØÎĵµ£º

ÓйØjavaÖеÄÒýÓÃÎÊÌâ

Ê×ÏÈ£¬java¶Ô¶ÔÏóºÍ»ù±¾ÀàÐ͵Ĵ¦ÀíÊDz»Ò»ÑùµÄ£¬ºÍCÓïÑÔÒ»Ñù£¬µ±°ÑJavaµÄ»ù±¾Êý¾ÝÀàÐÍ£¨Èçint£¬char£¬doubleµÈ£©×÷ΪÈë¿Ú²ÎÊý´«¸øº¯ÊýÌåµÄʱºò£¬´«ÈëµÄ²ÎÊýÔÚº¯ÊýÌåÄÚ²¿±ä³ÉÁ˾ֲ¿±äÁ¿£¬Õâ¸ö¾Ö²¿±äÁ¿ÊÇÊäÈë²ÎÊýµÄÒ»¸ö¿½±´£¬ËùÓеĺ¯ÊýÌåÄÚ²¿µÄ²Ù×÷¶¼ÊÇÕë¶ÔÕâ¸ö¿½±´µÄ²Ù×÷£¬º¯ÊýÖ´ÐнáÊøºó£¬Õâ¸ö¾Ö²¿±äÁ¿Ò²¾ÍÍê³ÉÁËËüµÄʹÃü£¬ ......

java¶ÁÈ¡mp3Îļþ

java¶ÁÈ¡mp3Îļþ ÊÕ²Ø
JMFʵ¼ÊÉÏÊÇJavaµÄÒ»¸öÀà°ü¡£JMF 2.1.1¼¼ÊõÌṩÁËÏȽøµÄýÌå´¦ÀíÄÜÁ¦£¬´Ó¶øÀ©Õ¹ÁËJavaƽ̨µÄ¹¦ÄÜ¡£ÕâЩ¹¦ÄܰüÀ¨£ºÃ½Ìå²¶»ñ¡¢Ñ¹Ëõ¡¢Á÷ת¡¢»Ø·Å£¬ÒÔ¼°¶Ô¸÷ÖÖÖ÷ҪýÌåÐÎʽºÍ±àÂëµÄÖ§³Ö£¬ÈçM-JPEG¡¢H.263¡¢MP3¡¢RTP/RTSP (ʵʱ´«ËÍЭÒéºÍʵʱÁ÷תЭÒé)¡¢Macromedias Flash¡¢IBMµÄHotMediaºÍBeatniksµÄRi ......

Java²Ù×÷MS WordºÍExcelÎĵµ

ÄÜͨ¹ýJavaÀ´²Ù×÷Word»òÕßExcelµÄapi£¬¾ÝÎÒËùÖªµÄÓÐÕâЩ£¬¶¼¿¼²ìÁËһϣ¬¿ªÔ´µÄ³ýÁËOpenofficeºÍofficewriter¶ÔWordµÄ±í¸ñÓкõÄÖ§³ÖÍ⣬ÆäËû¶¼ºÜ²»×¨Òµ£¬»òÕß²»Ö§³Ö¡£
jacob http://sourceforge.net/projects/jacob-project/
JACOB is a JAVA-COM Bridge that allows you to call COM Automation components from Java. ......

ÔÚJAVAÎļþÖлñÈ¡¸ÃÏîÄ¿µÄÏà¶Ô·¾¶

ÔÚJAVAÎļþÖлñÈ¡¸ÃÏîÄ¿µÄÏà¶Ô·¾¶
1.»ù±¾¸ÅÄîµÄÀí½â
¡¡¡¡¾ø¶Ô·¾¶£º¾ø¶Ô·¾¶¾ÍÊÇÄãµÄÖ÷Ò³ÉϵÄÎļþ»òĿ¼ÔÚÓ²ÅÌÉÏÕæÕýµÄ·¾¶£¬(URLºÍÎïÀí·¾¶)ÀýÈ磺
C:\xyz\test.txt ´ú±íÁËtest.txtÎļþµÄ¾ø¶Ô·¾¶¡£http://www.sun.com/index.htmÒ²´ú±íÁËÒ»¸ö
URL¾ø¶Ô·¾¶¡£
¡¡¡¡Ïà¶Ô·¾¶£ºÏà¶ÔÓëij¸ö»ù׼Ŀ¼µÄ·¾¶¡£°üº¬WebµÄ ......

¹ØÓÚjavaÖеÄÊýÖµ¼ÆËã

¼ÇµÃÔÚcsdnµÄij¸öÌû×ÓÖÐÌáµ½¼ÆËã½×³ËµÄÌÖÂÛ£¬µ±Ê±ÓкܶàÈ˶¼Ìá³öÁË×Ô¼ºµÄËã·¨£¬Ã¿¸öÈ˶¼ÏëµÄºÜÖÜÈ«¡£
ÕâÁ½ÌìÕýºÃ×Ô¼º¿´µ½ÁËÏà¹ØµÄÎÄÕ£¬ÄÇô×ܽáÕûÀíһϣ¬ÒÔ¹©´ó¼Ò²Î¿¼£¬Ò²ÎªÁË×Ô¼ºµÄ֪ʶ×ܽᡣ
ÔÚÊýѧÖУ¬Ö»ÓзǸºÕûÊý²ÅÓн׳ËÔËË㣬Òâ˼¾ÍÊÇ˵¸¡µãÊý¡¢¸ºÕûÊý¶¼²»ÄܽøÐмÆË㣬ÄÇôÎÒÃÇÔÚ¿¼ÂǼÆËãʱ£¬Ð¡ÓÚ0µÄÊý×ÖÎÒÃÇÊDz ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ