Çë½Ì Ruby ´úÂë ת»»³É java´úÂë
Ruby ´úÂëÈçÏ£º
class Array
def uniq_by
seen = {}
select{ |x|
v = yield(x)
!seen[v] && (seen[v]=true)
}
end
end
Çójava´úÂ루javaα´úÂëÒ²¿ÉÒÔ£©
Python¾ÍºÃÁË£¬Ruby²»¶®£¬°ï¶¥
seen = {}
t = fun(x)
seen[t] ²»´æÔÚ
seen[t] = true
Õâ¸öfun ÓëÄãÓÃÕâ¸ö·½·¨µÄblock ÓйØ
´úÂëºÃÏñºÜ¼òµ¥,²é²é×ÊÁÏ,×Ô¼º·ÒëÒÔϰÉ.
Ïà¹ØÎÊ´ð£º
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 ......
´ó¼ÒºÃ£¬ÎÒÃǽüÆÚÕÐÆ¸È«Ö°¡¢¼æÖ°¿ª·¢¹¤³Ìʦ£¬È«Ö°¹¤³Ìʦ¹¤×÷µØµãÖ÷ÒªÊÇÉîÛÚ£¬¼æÖ°¹¤³Ìʦ±¾ÈË¿ÉÔÚÉîÛÚ£¬Ò²¿ÉÒÔÔÚÒìµØÍ¨¹ýÔ¶³ÌÐͬ¿ª·¢µÄ·½Ê½¿ªÕ¹¹¤×÷£¬ºÏ×÷·½Ê½¿É¹²Í¬É̶¨¡£
ְλE601£ºJava ¹¤³Ìʦ£¨Web ¿ ......
JPanelÀàÖеÄpaintComponent()·½·¨Ó¦¸ÃÊÇÔÚËü³õʼ»¯Ê±×Ô¶¯µ÷ÓÃ,¿ÉÎÒµÄΪʲô²»ÐÐÄØ?Çë¸÷λ´ó¸ç°ï°ïæ,¼±
Java code:
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Ca ......
ÎÒÏÖÔÚÏëÖªµÀÒ»¸ö²»³£ÓõÄjava¹Ø¼ü×Ö,
²»ÊÇvolatile,transate;
ÓеãÏóLocalThreadÀà,µ«ÓÖ²»ÊÇ,ÊǸöÍêȫСдµÄ¹Ø¼ü×Ö,ºÃÏóÊÇlocal...ɶµÄ;
ÔÀ´¼û¹ý¼¸»Ø;½ñÌìÔõôҲÕÒ²»µ½ÁË;
Locale
Locator
ÒýÓÃ
Locale
L ......