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

java 3d¿ª·¢

¡¾×ªÌù¡¿Java 3DÓÎÏ·¿ª·¢Ö÷Òª¼¼Êõ
×¢£º±¾Ìùת×Ô×ªÔØ×Ô ³¤²»´óµÄÈË µÄQQ¿Õ¼ä£¬ÌâÄ¿ÈçÌ⣡
       ±¾ÎÄÁ´½ÓΪ£ºhttp://user.qzone.qq.com/7965122/blog/1234685218
1£¬Java3D
×÷Ϊsun¹«Ë¾½ÏÔçÍÆ³öµÄÒ»Ïî3d¼¼Êõ£¬ÊÇÒ»Öָ߶ȷâ×°µÄapi£¬¹¹½¨ÔÚopenglºÍdirect3dÖ®ÉÏ£¬¿ÉÒÔ˵ÊÇ×îÓÐÃûµÄjavaµÄ3d¼¼Êõ¡£ÓÉÓÚÖÖÖÖÔ­Òò£¨apiÉè¼Æ£¬ÃæÏòµÄÓû§²»Ã÷È·£©£¬java3dһֱûÓа취Á÷ÐУ¬²»¾Ãǰjava3dµÄÍŶÓÐû²¼ÔÝÍ£¶Ôjava3dй¦ÄܵĿª·¢£¬×ª¶øÎªJavaFX¿ª·¢3d äÖȾÒýÇæ¡£Í¬Ê±sunµÄÁíÒ»¸öÏîÄ¿ project wonderlandÐû²¼½«ÆääÖȾÒýÇæÓÉJava3dתΪJMonkeyEngine¡£ÁîÈËßñÐêµÄÊÇsunµÄjava3dÔٴνøÈë³¾·â״̬£¬´óÁ¿»ùÓÚ java3dµÄ³ÌÐòºÍ½Ì³Ì¶¼ÃæÁÙÒ»¸ö·Ç³£ÞÏÞεľ³µØ£»ÁîÈ˸ßÐ˵ÄÊÇÔÚÕâÒ»ÁìÓòÖÕÓÚÓбÈsun×öµÃ¸üºÃµÄÍŶӳöÏÖÁË¡£ÒýÓñðÈ˶ԴËÊÂµÄÆÀ¼Û£ºJava3D is dead! Long live Java "3D"!
2£¬ Lwjgl£¨http://new.lwjgl.org/index.php£©
È«ÃûΪlight weight java game library¡£×÷Ϊһ¸ö·Ç¹Ù·½µÄ¶ÔjavaÓÎÏ·µÄÈ«Ãæ½â¾ö·½°¸£¬lwjgl½«ÓÎϷͼÐΣ¨opengl£©¡¢ÒôЧ£¨openal£©¡¢¿ØÖÆÊäÈ뼯ºÏΪһ£¬ÒÔ³ÉΪjava½çµÄdirectx£¨²»ÊÇdirect3d£©¶øÅ¬Á¦¡£ÆäÔÚͼÐη½Ãæ²ÉÓÃÁËopenglµÄjava°ó¶¨£¬Æäº¯ÊýÓëcÓïÑÔ°æµÄÍêÈ«Ïàͬ£¬ËùÒÔ¶ÔÓÚϰ¹ßopengl±à³ÌµÄ³ÌÐòÔ±À´Ëµ±È½ÏÓѺá£Ä¿Ç°ÓдóÁ¿µÄjavaÓÎÏ·ºÍÓÎÏ·ÒýÇæÊÇ»ùÓÚlwjglµÄ£¬Ëü¿ÉÒÔ˵ÊÇjavaÓÎÏ·ÉçÇø×î¹ãΪ±»Ê¹Óõĺ¯Êý¿âÖ®Ò»¡£
3£¬Jogl£¨https://jogl.dev.java.net/£©
JoglÊÇjava¶ÔopenglµÄÒ»¸ö°ó¶¨£¬»òÕß˵ÊÇopengl½Ó¿ÚµÄjavaʵÏÖ£¬ËüÊÇÓÉsunÖ§³ÖµÄ¡£ÆäÓï·¨ÓëopenglÍêÈ«Ïàͬ£¬apiÒ²½ô¸úËæ×ÅopenglµÄ°æ±¾½øÐиüУ¬¶øNeheµÄopengl·¶Àý³ÌÐò´ó¶àÊý¶¼ÓÐjogl°æ±¾¡£È¥ÄêjoglÕýʽͨ¹ýjcpÉóºË³ÉΪ jsr231£¬ÊÇlwjglµÄÖ÷Òª¾ºÕùÕß¡£ÖµµÃÒ»ÌáµÄÊÇ£¬joglÏîÄ¿µÄÁìµ¼ÕßKen RussellÔø¾­ÉùÃ÷²¢²»Ï£Íûjogl³ÉΪjreµÄÒ»²¿·Ö£¬ÒòΪËûÈÏΪÕâÑù»áʹjoglµÄ¸üÐÂÖÜÆÚÓëjreÏàͬ£¬´Ó¶ø±äµÃ¹ýÓÚ»ºÂý¡£Ken RussellĿǰȫÁ¦¹¤×÷ÔÚеÄjava plug-inµÄ¿ª·¢ÉÏ£¬¶øopenglµÄapiҲûÓнøÐиü¸Ä£¬ËùÒÔÏÖÔÚµÄjogl°æ±¾½«³ÖÐø½Ï³¤µÄÒ»¶Îʱ¼ä¡£
4£¬Joal(https://joal.dev.java.net/)
java¶ÔopenalµÄÒ»¸ö°ó¶¨£¬ÊÇjavaÒôЧµÄÒ»¸ö½â¾ö·½°¸¡£
5£¬Jinput(https://jinput.dev.java.net/)
java¶Ô·Ç±ê×¼ÊäÈëÉ豸£¨ÓÎÏ·ÊÖ±ú£¬²Ù×ݸˣ©µÄ½â¾ö·½°¸¡£
6£¬JMonkeyEngine£¨http://www.jmonkeyengine.com/£©
JMonkeyEngineÊÇÒ»¸ö¿ªÔ´javaÓÎÏ·ÒýÇæ£¬¶Ôµ×²ã¸ß¶È·â×°£¬¾­


Ïà¹ØÎĵµ£º

javaÖÐfloat/double¸¡µãÊýµÄ¼ÆËãʧ¾«¶ÈÎÊÌâ


½ñÌìÔÚÊýÖµ¼ÆËãʱÅöµ½Ò»¸öÎÊÌâ.³ÌÐòÈçÏÂ:
  double a = (3.3-2.4)/0.1;
  System.out.println(a);
Äã¿ÉÄÜÈÏΪ½á¹ûºÜ¼òµ¥,²»¾ÍÊÇ9Âï,ÊÇÊÂʵÉÏ,½á¹ûΪ:8.999999998,ÎªÊ²Ã´ÄØ?ÎÒ·­ÔÄÁËһЩ×ÊÁÏ,ÖÕÓÚÕÒ³öÁËÔ­Òò.
Ϊʲô¸¡µãÊý»á¶ªÊ§¾«¶È£¿  
Ê®½øÖÆÊýµÄ¶þ½øÖƱíʾ¿ÉÄܲ»¹»¾«È·
¸¡µãÊý»òÊÇË«¾«¶È¸¡µ ......

javaµ¼Èëµ¼³öexcel²Ù×÷(jxl)

¹Ø¼ü×Ö: java excel jxl.jar
jxl.jar °ü
ÏÂÔØµØÖ·:
ÕæÊµÏÂÔØµØÖ·:
ÍøÕ¾É϶ÔËüµÄÌØÕ÷ÓÐÈçÏÂÃèÊö£º
¡ñ Ö§³ÖExcel 95-2000µÄËùÓа汾
¡ñ Éú³ÉExcel 2000±ê×¼¸ñʽ
¡ñ Ö§³Ö×ÖÌå¡¢Êý×Ö¡¢ÈÕÆÚ²Ù×÷
¡ñ Äܹ»ÐÞÊε¥Ôª¸ñÊôÐÔ
¡ñ Ö§³ÖͼÏñºÍͼ±í
Ó¦¸Ã˵ÒÔÉϹ¦ÄÜÒѾ­Äܹ»´óÖÂÂú×ãÎÒÃǵÄÐèÒª¡£×î¹Ø¼üµÄÊÇÕâÌ×APIÊÇ´¿J ......

PermGen space Java heap space ÄÚ´æÒç³ö


1¡¢
PermGen spaceµÄÈ«³ÆÊÇPermanent Generation space,ÊÇÖ¸ÄÚ´æµÄÓÀ¾Ã±£´æÇøÓòOutOfMemoryError: PermGen space´Ó±íÃæÉÏ¿´¾ÍÊÇÄÚ´æÒæ³ö£¬½â¾ö·½·¨Ò²Ò»¶¨ÊǼӴóÄڴ档˵˵Ϊʲô»áÄÚ´æÒæ³ö£ºÕâÒ»²¿·ÖÓÃÓÚ´æ·ÅClassºÍMetaµÄÐÅÏ¢,ClassÔÚ±» LoadµÄʱºò±»·ÅÈëPermGen spaceÇøÓò£¬ËüºÍºÍ´æ·ÅInstanceµÄHeapÇøÓò²»Í¬,GC(Garba ......

Java ÖÐ Vector¡¢ArrayList¡¢List ʹÓÃÉîÈëÆÊÎö


ÏßÐÔ±í£¬Á´±í£¬¹þÏ£±íÊdz£ÓõÄÊý¾Ý½á¹¹£¬ÔÚ½øÐÐJava¿ª·¢Ê±£¬JDKÒѾ­ÎªÎÒÃÇÌṩÁËһϵÁÐÏàÓ¦µÄÀàÀ´ÊµÏÖ»ù±¾µÄÊý¾Ý½á¹¹¡£ÕâЩÀà¾ùÔÚjava.util°üÖС£±¾ÎÄÊÔͼͨ¹ý¼òµ¥µÄÃèÊö£¬Ïò¶ÁÕß²ûÊö¸÷¸öÀàµÄ×÷ÓÃÒÔ¼°ÈçºÎÕýȷʹÓÃÕâЩÀà¡£ 
Collection
©ÀList
©¦©ÀLinkedList
©¦©ÀArrayList
©¦©¸Vector
©¦¡¡©¸Stack
©¸Set
M ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ