JAVAͨ¹ýJNIµ÷ÓÃDLLÎÊÌâ
×î½üÒªÔÚÒ»¸öJAVA¹¤³ÌÖе÷ÓÃÒ»¸ö±ðÈ˵ÄDLL¿â£¬³öÏÖÁËÒÔÏÂÎÊÌ⣺ƽ̨ÊÇJDK1.6.0_2
±ðÈ˵ÄDLLµ¼³öµÄº¯ÊýÀàËÆÓÚ_Java_Sth_1Find@12 £¬¶øÎÒ·ÃÎʸú¯ÊýµÄÀàÈç¹ûÔÚdefault packageϾͿÉÒÔÕý³£·ÃÎÊ£¬¾ÍÊÇ˵DLLµ¼³öµÄJNIÊÇÔÚĬÈϰüÏµģ¬¶øÈç¹û°Ñ¸ÃÀà·ÅÈëÌØ¶¨µÄ°üϾͻá³öÏÖException in thread "main" java.lang.UnsatisfiedLinkError:com.Sth.Find()IµÄÒì³££¬µ«Èç¹ûÖ±½Ó·Åµ½default packageÏ£¬ÆäËüÀàÓÖÎÞ·¨·ÃÎÊËü£¨¾²éÔÚJDK1.4.0ÒÔºó¾Í²»Ö§³Öµ¼Èëdefault package°üÖеÄÀàÁË£©
³ýÁ˰ÑËùÓÐÀà¶¼·ÅÈëdefault packageÏ£¬²»ÖªµÀ»¹ÓÐûÓбðµÄ°ì·¨¡£
Ïà¹ØÎĵµ£º
EclipseÖÐĬÈÏÊÇÊäÈë"."ºó³öÏÖ×Ô¶¯Ìáʾ£¬ÓÃÓÚÀà³ÉÔ±µÄ×Ô¶¯Ìáʾ£¬¿ÉÊÇÓÐʱºòÎÒÃÇÏ£ÍûËüÄÜÔÚÎÒÃÇÊäÈëÀàµÄÊ××Öĸºó¾Í³öÏÖ×Ô¶¯Ìáʾ£¬¿ÉÒÔ½ÚÊ¡´óÁ¿µÄÊäÈëʱ¼ä£¨ËäÈ»°´alt + /»á³öÏÖÌáʾ£¬µ«»¹ÊÇÒª¶à°´Ò»´Î°´¼ü£¬Ì«Âé·³ÁË£©¡£
´ÓWindow -> preferences -> Java -> Editor -> Content assist - ......
·¢ËÍemailÓ¦Óã»
package mail;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import sun.misc.BASE64Encoder;
public class Mail {
// ¶¨Òå·¢¼þÈËÏÔʾÃû³Æ¡¢·¢¼þÈË¡¢ÊÕ¼þÈË¡¢³ËÍ¡¢SMTP·þÎñÆ÷¡¢Óû§Ãû¡¢ÃÜÂë¡¢Ö÷Ìâ¡¢ÄÚÈݵÈ
private String d ......
ÏëÅúÁ¿ÐÞ¸ÄÒ»¸öÎļþ¼ÐµÄËùÓÐÎļþµÄÎļþÃû£¬ÔÚÍøÉÏÕÒÁ˺öàÈí¼þ¶¼²»ºÃÓã¬ÃÍÈ»ÏëÆðÀ´ÎÒ×Ô¼ºÒ²»áд´úÂëô~~~
Õâ¸ö´úÂëÖ»ÄÜ×Ô¶¨ÒåÀ©Õ¹Ãû¡£¡£ÎļþÃûĬÈÏÊÇ0£¬ÒÔºó¾Í++À²£¬Ò²¾ÍÊÇ1£¬2£¬3……Ö»ÊÇ»ù´¡ÐÔ´úÂë
import java.io.File;
public class Rename {
/**
* @param args
......
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 ......