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

¡¾JAVAѧϰ±Ê¼Ç¡¿02 ÔËËã·û¡¢±í´ïʽ

Ò»¡¢ÔËËã·û
 
ËãÊõÔËËã·û£º+£¬-£¬*£¬/£¬%£¬++£¬--
¹ØÏµÔËËã·û£º>£¬<£¬>=£¬<=£¬==£¬!=
²¼¶ûÂß¼­ÔËËã·û£º!£¬&£¬^£¬|£¬&&£¬||
λÔËËã·û£º&£¬|£¬^£¬>>£¬<<£¬>>>
¸³ÖµÔËËã·û£º=
À©Õ¹¸³ÖµÔËËã·û£º+=£¬-=£¬*=£¬/=
×Ö·û´®Á´½ÓÔËËã·û£º+
 
Á½ÊýÏà³ý£¬ÄÇôÈç¹û½ÓÊÕµÄÖµÊÇÕûÐÍ£¬Ôò×Ô¶¯½«Ð¡ÊýµãÈ¥µô£¬0.5→0
 
%£ºÈ¡Ä££¬¼´ÓàÊý
++£º×ÔÔö
--£º×Ô¼õ
 
 public class JavaDemo01
{
public static void main(String args[])
{
int i = 10 ;
int j = 20 ;
int k = i % j ;
System.out.println(k) ;
}
};

 
i++Óë++iµÄÇø±ð£º
public class JavaDemo03
{
public static void main(String args[])
{
int i = 10 ;
// i++ ;
// ÒÔÉÏ´úÂëÏ൱ÓÚÒÔϵijÌÐò¶Î£º
// i = i + 1 ;
// ++i£º±íʾÏÈÈÃÊý¾Ý×ÔÔö£¬Ö®ºóÔÙ½øÐвÙ×÷
// i++£º±íʾÏÈÈÃÊý¾Ý½øÐвÙ×÷£¬²Ù×÷Íê³ÉÖ®ºó½øÐÐ×ÔÔö
int k = 10+(++i) ;
System.out.println(k) ;
System.out.println(i) ;
}
};
 
Âß¼­ÔËËã·û·µ»ØµÄ¶¼ÊDz¼¶ûÖµ
public class JavaDemo04
{
public static void main(String args[])
{
int i = 10 ;
int j = 11 ;
System.out.println(i!=j) ;
}
};  
 
ÔÚ³ÌÐòÖГ=”ÊDZíʾ¸³Öµ£¬¶ø“==”Ôò±íʾÂß¼­ÔËË㣬ÅжÏÁ½ÕßÊÇ·ñÏàµÈ¡£
 
¶þ¡¢²¼¶ûÂß¼­ÔËËã·û
&&£ºµÚÒ»¸ö²Ù×÷ÊýΪ¼Ù£¬Ôò²»Åжϵڶþ¸ö²Ù×÷Êý
||£ºµÚÒ»¸ö²Ù×÷ÊýÎªÕæ£¬Ôò²»Åжϵڶþ¸ö²Ù×÷Êý
 
public class JavaDemo02
{
public static void main(String args[])
{
// ÅжÏÒ»¸öÊý×ÖÊÇ·ñÊÇżÊý
// żÊýµÄ×î´óÌØµã£º³ýÒÔ2ÓàÊýΪ0
int i = 21 ;
if(i%2==0)
{
System.out.println("ÊÇÒ»¸öżÊý¡£") ;
}
}
};

 
 
 
public class JavaDemo06
{
public static void main(String args[])
{
// ѧÉúÉÏѧµÄÄêÁäÔÚ5~7ËêÖ®¼ä
// Èç¹û³É¼¨ÔÚ90·Ö£¬»òÕßÄêÁäÔÚ7Ë꣬Ôò±íʾÊÇÒ»¸öѧÉú
int age = 6 ;
int score = 90 ;
// 5<=age>=7 : age>=5 age<=7
// boolean flag = age>=5&&age<=7 ;
boolean flag = age==7 | score==90 ;
System.out.println(flag) ;
}
};

Èý¡¢¸³ÖµÔËËã·û
µ±&ldqu


Ïà¹ØÎĵµ£º

javaÖÐÈçºÎʹÓÃamcharts


×î½ü¹«Ë¾Åöµ½ÐèÒªÓÃͼ±íµÄÐÎʽÏÔʾһЩÊý¾Ý£¬ÎҾͿªÊ¼µ½ÍøÉϲéѯ£¬²éµ½ÁËjfreechartºÍamcharts,ÕâÁ½ÕßÎÒ¶¼ÊµÏÖ¹ýÁË£¬jfreechart×îºóÉú³ÉͼƬ£¬µ«ÊÇͼƬЧ¹û²»ÊÇÎÒÏëÒªµÄ£¬È»ºóÓÖÑо¿amcharts ËüµÄЧ¹ûȷʵºÜºÃ£¬¶øÇÒ¹Ù·½ÍøÕ¾ÉÏ»¹ÓкÃЩÀý×ӿɹ©ÏÂÔØ£¬ÍøÖ·ÊÇ:www.amcharts.com
£¨ÏëÒªÍê³ÉÒ»¸öamchartsͼÐÎÐèÒªswfobjects. ......

¶¯Ì¬Éú³ÉjavaÎļþµÄ·½·¨

package com.hongsoft.test;
import java.io.*;
//¶¨ÖƵÄÀà×°ÈëÆ÷
public class TestCompile extends ClassLoader
{
String _compiler;
String _classpath;
public static void main(String[] args)
{
new TestCompile();
}
public TestCompile()
{
super(ClassLoader.getSystemClassLoader());
//ĬÈϱàÒëÆ ......

javaÖжÑÓëÕ»µÄÇø±ð

JavaµÄ¶ÑÊÇÒ»¸öÔËÐÐʱÊý¾ÝÇø,ÀàµÄ(¶ÔÏó´ÓÖзÖÅä¿Õ¼ä¡£ÕâЩ¶ÔÏóͨ¹ýnew¡¢newarray¡¢anewarrayºÍmultianewarrayµÈ Ö¸ÁÁ¢£¬ËüÃDz»ÐèÒª³ÌÐò´úÂëÀ´ÏÔʽµÄÊÍ·Å¡£¶ÑÊÇÓÉÀ¬»ø»ØÊÕÀ´¸ºÔðµÄ£¬¶ÑµÄÓÅÊÆÊÇ¿ÉÒÔ¶¯Ì¬µØ·ÖÅäÄÚ´æ´óС£¬Éú´æÆÚÒ²²»±ØÊÂÏȸæËß±àÒëÆ÷£¬ÒòΪËüÊÇÔÚÔËÐÐʱ ¶¯Ì¬·ÖÅäÄÚ´æµÄ£¬JavaµÄÀ¬»øÊÕ¼¯Æ÷»á×Ô¶¯ÊÕ×ßÕâЩ²»ÔÙ ......

˵˵javaÓë.NET

     ½ñÌìºÍÅóÓÑÈ¥º£±õ·Åܲ½£¬´µ´µº£·ç£¬ÎÒÃÇ×øÔÚÒ»¸ö·ÏÆúµÄ´¬°å°åÉÏ£¬ÁÄÆðÁËjavaÓë.NET¡£ÎÒÊǾö¶¨¶ÁjavaµÄ£¬¿ÉÊÇÎÒÄÇÅóÓÑÊÇÏëѧ.NET¡£
     ÆäʵÎÒÃǸ÷Óи÷µÄÏë·¨£¬ÎÒÈÏΪ¶ÁjavaÔÚÂß¼­·½Ã棬»¹ÓÐÓï·¨·½Ãæ»áÓиüºÃµÄÒ»¸öÁ˽âÓëѧϰ¡£ÒòΪjavaµÄ¿ª·¢Æ½Ì¨Ã»ÓÐ.NETµÄ¿ª·¢Æ½Ì¨ÄÇôÈË ......

´«ÖDz¥¿ÍJAVAÅàѵstruts2ѧϰ±Ê¼Ç

´«ÖDz¥¿ÍJAVAÅàѵstruts2ѧϰ±Ê¼Ç ǰÁ½ÌìÎÒÏÝÈëÁËstruts2Ô­ÀíµÄÄàÌ·Öв»¿É×Ô°ÇÁË£¬ÕâÖָоõÏ൱²»´í£¬µ«ÊÇÎÒ¸öÈË»¹ÊǸоõ»ù´¡Èç¹û²»ÊǺܺõϰ£¬Ç§Íò²»ÒªÏÝÈ룬ÒòΪÕâÑùµÄ»°£¬ºÜÓпÉÄÜÈÃÒ»¸öÈ˱äµÃûÓÐÐÅÐÄ£¬»¹ºÃÎÒÊÇÒ»¸öÐÄÀí»¹´í²»´íµÄÈË£¬ËùÒԺܿì¾Í×ßÁ˳öÀ´¡£ËùÒÔ£¬ÎҵĸöÈ˸оõ»¹ÊÇ£¬ÏÈÕÆÎÕ»ù´¡£¬È»ºóÔÚÈ¥Àí½âÔ­Àí°É£¬Ò ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ