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

C++&JAVAÒìͬ


C++ÓëJavaÒìͬ
1¡¢Ö¸Õë¡ï¡ï¡ï¡ï¡ï
C C++ÖеÄÖ¸Õ룬ÌṩÁ˺ܴóµÄÁé»îÐÔ£¬µ«ÊÇÁé»îÒ²´øÀ´ÁËΣÏÕ£¬¶ÔÖ¸Õë²Ù×÷µÄ²»µ±ÈÝÒ×Ôì³ÉÄÚ´æÐ¹Â¶»òÊÇ¿ÕÐüÖ¸ÕëµÈÎÊÌâ¡£
JavaÈ¡ÏûÁËÖ¸Õë¡£µ«Êµ¼ÊÉÏ£¬javaÖÐÉùÃ÷µÄËùÓÐÒýÓÃÊý¾ÝÀàÐ͵ÄÃû³Æ£¬¿ÉÒÔÀí½âΪ¾ÍÊÇÒ»¸öÖ¸Õë¡£¸ÃÃû³Æ´æ´¢ÔÚÕ»ÄÚ´æÉÏ£¬Ö¸Ïò¶ÔÄÚ´æÉÏʹÓÃnew¿ª±ÙµÄ¿Õ¼ä¡£
È磺
int[] array = new int[10]
ÕûÐÍÊý×éÃûarrayÔÚÕ»ÄÚ´æÉÏ£¬ÔÚ¶ÑÄÚ´æÉÏ¿ª±ÙÁË10*4×ֽڵĿռ䣬ÓÃarrayÖ¸Ïò¸Ã¿éÄÚ´æ¡£
¿ÉÒÔ°ÑarrayÀí½âΪһ¸öÖ¸Õ룬ÀïÃæ´æ·ÅµÄµØÖ·¾ÍÊÇnew³öÀ´µÄ¿Õ¼ä¡£
 
È磺
class Person{
       ……
}
Person p = new Person() ;
¶ÔÏóÃûp¿ª±ÙÔÚÕ»Äڴ棬ÓÃnewΪ¶ÔÏóÔÚ¶ÑÄڴ濪±Ù¿Õ¼ä£¬¶ÔÏóÃûpÖ¸Ïò¸Ã¶ÑÄÚ´æ¡£
 
 
µ«Êµ¼ÊÉÏÄØ£¬¸ÃÃû³Æ²¢²»ÏñC++ÖеÄÖ¸Õë£¬ÌØ±ðÊÇÔÚ½øÐвÎÊý´«µÝµÄʱºò¡£
javaÒѾ­ÉùÃ÷£º²ÎÊý´«µÝ¶¼ÊÇÖµ´«µÝ¡£
µ«Êǵ±ÒýÓÃÊý¾ÝÀàÐÍ×÷Ϊº¯Êý²ÎÊýµÄʱºò£¬°ÑÒ»¸öÒÑÉùÃ÷µÄ¶ÔÏóp1´«½øÀ´µÄʱºò£¬ÆäʵÊDzúÉúÁËÒ»¸ö¸Ã¶ÔÏóµÄ¸±±¾p2£¬Õâ¸öp2Ö¸Ïòp1£¬ËùÒÔͨ¹ýp2µ÷ÓÃp1µÄ³ÉԱʱ£¬¿ÉÒÔÍê³ÉÐ޸ģ¬µÈº¯Êýµ÷ÓýáÊø£¬±£ÁôÐ޸ġ£È磺
class Person{
       public String name ;
       public int age ;
       public Person(String name ,int age){
              this.name = name ;
              this.age = age ;
       }
}
public class Test{
       public static void main(String[] args){
              Person p = new Person("ÕÅÈý" , 10) ;
              System.out.println("ÐÞ¸Äǰ-->ÐÕÃû£º"+ p.name+"£¬ÄêÁ䣺"+p.age) ;
              changePro(p) ;    //¶ÔÏóp´«½øÀ´£¬Õâʱ²úÉúpµÄÒ»¸ö¸±±¾£¬¼ÙÉèÊÇp1£¬ËüÖ¸Ïòp¡£          &nbs


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

java½â¾öÖ¸¶¨Ó¦ÓóÌÐò´ò¿ªÖ¸¶¨Îļþ

 //´ò¿ª¹¤¾ßµÄ·¾¶¼°Ãû×Ö
String toolsPath = "D:/office/Office12/WINWORD.EXE";
//±»´ò¿ªÎļþµÄ·¾¶¼°Ãû×Ö
String fileName = " D:/test.doc";
try {
     Process p = Runtime.getRuntime().exec(toolsPath+fileName);
} catch (IOException e) {
     // T ......

java regexp

 public class Test2 {
public static void main(String[] args) {
// ¼òµ¥ÈÏʶÕýÔò±í´ïʽµÄ¸ÅÄî
/*
* p("abc".matches("...")); p("a8729a".replaceAll("\\d", "-")); Pattern
* p = Pattern.compile("[a-z]{3}"); Matcher m = p.match ......

Java SE 6 Beta

 
Sun·¢²¼ÁËJava SE 6 Beta
£¨ÒÔϼò³Æ6£©£¬²éÁ˲鹦ÄܸĽø
£¬Ã»Óз¢ÏÖʲô¼¤¶¯ÈËÐĵı仯¡£ÌôÁ˼¸ÌõÉÔ΢¸ÐÐËȤһµãµÄÆÀ¼Ûһϡ£
jconsole is more user-friendly
6µÄн¨Á¬½ÓµÄ´°¿ÚÓзdz£´óµÄ¸Ä±ä¡£ÔÚLocal Process´°¿ÚÁгöÁËËùÓб¾µØjava½ø³Ì£¨°üÀ¨jconsole±¾Éí£©£¬²»ÄÜͨ¹ýJconsole½øÐйÜÀíµÄ½ø³Ì´¦ÓÚdisable× ......

Java Web¿ª·¢¹¹Ïë

 1£®±³¾°¡¢ÐÎÊÆ
Äܹ»½øÐÐWeb¿ª·¢µÄ±à³ÌÓïÑԺͼ¼ÊõºÜ¶à
(1) ¶¯Ì¬½âÊÍÓïÑÔ
PHP; Perl; Python (Zope, Plone); Ruby (Ruby on Rails);
(2) ±àÒëÓïÑÔ
Java; .net
Java Web¿ª·¢Ô¶·ÇÒ»Ö¦¶ÀÐ㣺
³ýÁËÊܵ½À´×Ô.net Õâ¸öÖØÁ¿¼¶¶ÔÊÖµÄ×î´óÌôÕ½Ö®Í⣬¸üÊܵ½Zope, Ruby on Rail µÈÐÂʽÇáÆï±øµÄ³å»÷£¨µ±È»£¬Ò²¼ÌÐøÊܵ½ÀÏʽÇá ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ