Java¼¯ºÏ
JavaÊý×éÊÇÒ»¸öJava¶ÔÏó£¬Êý×éµÄ³¤¶ÈÊǹ̶¨µÄ£¬ÔÚͬһ¸öÊý×éÖÐÖ»Äܹ»´æ·ÅÏàͬÀàÐ͵ÄÊý¾Ý£¬Êý×é¿ÉÒÔ´æ·Å»ù±¾ÀàÐ͵ÄÊý¾Ý£¬Ò²¿ÉÒÔ´æ·ÅÒýÓÃÀàÐ͵ÄÊý¾Ý¡£ÔÚ´´½¨Êý×é¶ÔÏóʱ£¬±ØÐëÖ¸¶¨Êý×é¶ÔÏóµÄ³¤¶È£¬Êý×éÒ»µ©´´½¨£¬ËüµÄ³¤¶È¾Í²»ÄÜÔÙ±ä
£¨1£©´´½¨Êý×é¶ÔÏ󣨼´newÒ»¸öÊý×éʱ£©ÒªÖ¸¶¨Êý×éµÄ³¤¶È£¬Êý×éµÄ³¤¶ÈÒ»µ©Ö¸¶¨£¬¾Í²»Äܹ»ÔÙ·¢Éú±ä»¯£»
£¨2£©Í¬Ò»¸öÊý×éÖеÄÊý¾ÝµÄÀàÐͱØÐëÏàͬ£¬¿ÉÒÔÊÇ»ù±¾ÀàÐÍ£¬Ò²¿ÉÒÔÊÇÒýÓÃÀàÐÍ¡£
----------------------------------------------------------------------------------------------------------------------------------------------------
JavaÖеļ¯ºÏ
£¨1£©¼¯ºÏ¿ÉÒÔ´æ´¢ºÍ²Ù×ÝÊýÄ¿²»¹Ì¶¨µÄÒ»×éÊý¾Ý
£¨2£©¼¯ºÏÖеÄÔªËØÖ»Äܹ»ÊÇÒýÓÃÀàÐÍ£¬²»Äܹ»ÊÇ»ù±¾ÀàÐÍ
£¨3£©¼¯ºÏ·ÖΪÒÔÏÂÈýÖÖ
a. Set ²»ÅÅÐò ²»Öظ´
b. List °´Ë÷ÒýλÖÃÅÅÐò ¿ÉÒÔÖØ¸´ ÔÊÐí°´ÕÕ¶ÔÏóÔÚ¼¯ºÏÖеÄË÷ÒýλÖüìË÷¶ÔÏó£¨ÕâµãÀàËÆÓÚÊý×飩
c. Map ¼¯ºÏÖеÄÿһ¸öÔªËØ°üº¬Ò»¶Ô¼ü¶ÔÏóºÍÖµ¶ÔÏó
¼¯ºÏÖÐûÓÐÖØ¸´µÄ¼ü¶ÔÏó£¬Öµ¶ÔÏó¿ÉÒÔÖØ¸´
£¨4£©Collection½Ó¿Ú£¨×¢ÒâÒýÓõĸÅÄ
a.Collection½Ó¿ÚÉùÃ÷ÊÊÓÃÓÚJava¼¯ºÏ£¨Ö»ÓÐSetºÍList£©µÄͨÓ÷½·¨
add() Ïò¼¯ºÏÖмÓÈëÒ»¸ö¶ÔÏóµÄÒýÓÃ
clear() ɾ³ý¼¯ºÏÖÐËùÓеĶÔÏ󣬼´¼¯ºÏ²»ÔÙ³ÖÓÐÕâЩ¶ÔÏóµÄÒýÓÃ
&
Ïà¹ØÎĵµ£º
java ͨ¹ýSystem.getProperties()»ñȡϵͳ²ÎÊý
Properties props=System.getProperties(); //ϵͳÊôÐÔ
System.out.println("JavaµÄÔËÐл·¾³°æ±¾£º"+props.getProperty("java.version"));
System.out.println("JavaµÄÔËÐл·¾³¹©Ó¦ÉÌ£º"+props.getProperty("java.vendor"));
......
String[] split(String regex)
¸ù¾Ý¸ø¶¨µÄÕýÔò±í´ïʽµÄÆ¥ÅäÀ´²ð·Ö´Ë×Ö·û´®£¬javaÖÐʹÓÃregexµÄ·ûºÅÐèҪʹÓÃ"\\"£¬ÒòΪregex±¾ÉíʹÓÃ"\"×÷ΪתÒå·û¡£¶øÔÚjavaÖÐÒ»¸ö"\"£¬ÐèÒªÓÃ"\\"±íʾ¡£
Èç¹ûÓÃ"."×ö·Ö¸îµÄ»°±ØÐëÒªÕâÑù"\\."Èç¹ûÊÇ|Ò²ÊÇ"\\|"¡£
Áоټ¸¸öʵÓÃ"\\"µÄÀý×Ó£º
Stri ......
Java codeFormat ft=Format.getRawFormat();
ft.setEncoding("utf-8");
ft.setIndent(" ");//ÉèÖÃËõ½ø
XMLOutputter outputter=new XMLOutputter(ft);//ÉèÖÃXML¸ñʽ
Õâλ˵µÄ²»´í£»
ÔÚieÀïÃæ£¬ËüÄܰÑxml×Ô¶¯½âÎö³ÆÊ÷Ðνṹ£¬ËùÒÔ¿´ÆðÀ´Ã»ÎÊÌ⣬ÔÚ¼Çʱ¾ÀïÃæ£¬¾Í²»ÐÐÁ ......
Groovy ÈëÃÅ
ÔÚÕâÒ»½ÚÖУ¬½«ÕæÕý¿ªÊ¼½øÐÐ Groovy ±à³Ì¡£Ê×ÏÈ£¬Ñ§Ï°ÈçºÎÇáËɵذ²×° Groovy£¨Í¨¹ý Eclipse Groovy ²å¼þ£©£¬È»ºó´ÓһЩÓÐÖúÓÚÁ˽â Groovy µÄ¼òµ¥Ê¾Àý¿ªÊ¼¡£
ÇáËɰ²×° Groovy
ΪÁËѸËÙ¿ªÊ¼Ê¹Óà Groovy£¬ÐèÒª×öµÄÈ«²¿¹¤×÷¾ÍÊǰ²×° Eclipse µÄ Groovy ²å¼þ¡£´ò¿ª Ecliplse3.4»ò3.5£¬ÔÚ Help ²Ëµ¥ÖÐÑ¡Ôñ Softwar ......