ubntuÏÂjavaÖÐÎÄÂÒÂë½â¾ö
cd /usr/lib/jvm/java
-1.5.0-sun-1.5.0.15/jre/lib/fonts
sudo mkdir fallback
cd fallback
sudo cp /usr/share/fonts/truetype/arphic/uming.ttc /usr/lib/jvm/java
-1.5.0-sun-1.5.0.15/jre/lib/fonts/fallback
sudo mkfontdir
sudo mkfontscale
Ïà¹ØÎĵµ£º
±¾ÎĽéÉܵÄJAVA¹æÔòµÄ˵Ã÷·ÖΪ3¸öÖ÷Òª¼¶±ð£¬±¾ÆªÅׯúÁËÆ½Ê±¿ª·¢ÖкÜÉÙÓöµ½µÄÇé¿ö£¬ÄÇЩÓõñȽÏÉÙµÄÒÔºóÔٸ߼¶ÆªÀïÃæ³öÏÖ¡£²¢ÓÐÁù¸öÓÐÓõĹú¼ÊÈí¼þ¿ª·¢ÖØÒª×¢ÒâµÄÓйØStringµÄÎÊÌ⣬×ñÊØÁËÕâЩ¹æÔò¿ÉÒÔÌá¸ß³ÌÐòµÄЧÂÊ¡¢Ê¹´úÂëÓÖ¸üºÃµÄ¿É¶ÁÐԵȡ£
£¨1£© Èç¹ûÓÐJDBCÁ¬½ÓûÓйصôµÄ»°£¬ÐèÒªÔÚ"finally"·½·¨Öйصô
Èç ......
Java Web¿ª·¢ÖУ¬ÓÐÐí¶à¹²Í¨µÄÎÊÌ⣬ÊÇ¿ª·¢ÈËÔ±ÔÚ¿ª·¢¹ý³ÌÖÐÒ»¶¨»áÓöµ½µÄ£¬ÐèÒª´¦ÀíµÄÎÊÌ⣺
1. ÂÒÂëÎÊÌâ
ΪºÎ»á³öÏÖÂÒÂëÎÊÌ⣿¼ÈÈ»ÓÐÂÒÂëÎÊÌ⣬¿Ï¶¨ÊÇÓÉÓÚ±àÂëÉèÖõIJ»Ò»Öµ¼Öµġ£ÔÚWeb¿ª·¢
¹ý³ÌÖУ¬Éæ¼°ÒÔÏÂһЩ±àÂëÉèÖ㬿ͻ§¶Ë²ÎÊýµÄ±àÂëÉèÖã¬Web·þÎñÆ÷µÄ±àÂëÉèÖ㬷þÎñÆ÷¶ËÓ¦ÓóÌÐòµÄ±àÂëÉèÖã¬Êý¾Ý¿â ......
ÅжÏÌ⣺ÉùÃ÷int a = 10; ÅжÏÒÔÏÂ3¸öÔËËãÊÇ·ñÄܹ»·Ö±ðͨ¹ýJava±àÒëÆ÷£º
a = a/2; a = a/3; a = a*2.89;
½â£ºa = a*2.89;²»ÐУ¬a*2.89ÔËËã»áÌáÉý³ÉdoubleÀàÐÍ
Êý×éÓÐûÓÐlength()Õâ¸ö·½·¨? StringÓÐûÓÐlength()Õâ¸ö·½·¨£¿
½â£ºÊý×éûÓÐlength()Õâ¸ö·½·¨£¬ÓÐlengthµÄÊôÐÔ¡£
¡¡¡¡ StringÓÐÓÐlength()Õ ......
import java.io.*;
/**
* linux ÏÂcpu ÄÚ´æ ´ÅÅÌ jvmµÄʹÓÃ¼à¿Ø
* @author avery_leo
*
*/
public class TT {
/**
* »ñÈ¡cpuʹÓÃÇé¿ö
* @return
&nbs ......
javaÀàµÄ³ÉÔ±±äÁ¿ÓÐÁ©ÖÖ£º
Ò»ÖÖÊDZ»static¹Ø¼ü×ÖÐÞÊεıäÁ¿£¬½ÐÀà±äÁ¿»òÕß¾²Ì¬±äÁ¿
ÁíÒ»ÖÖûÓÐstaticÐÞÊΣ¬ÎªÊµÀý±äÁ¿ ÀàµÄ¾²Ì¬±äÁ¿ÔÚÄÚ´æÖÐÖ»ÓÐÒ»¸ö£¬javaÐéÄâ»úÔÚ¼ÓÔØÀàµÄ¹ý³ÌÖÐΪ¾²Ì¬±äÁ¿·ÖÅäÄڴ棬¾²Ì¬±äÁ¿Î»ÓÚ·½·¨Çø£¬±»ÀàµÄËùÓÐʵÀý¹²Ïí¡£ ¾²Ì¬±äÁ¿¿ÉÒÔÖ±½Óͨ¹ýÀàÃû½øÐзÃÎÊ£¬ÆäÉúÃüÖÜÆÚÈ¡¾öÓÚÀàµÄÉú ......