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

JavaѧϰʰÒÅ2 ÓÉString str=¡±abc¡±Òý³öµÄ¹ÊÊÂ

 JavaѧϰʰÒÅ2--ÓÉString str=”abc”Òý³öµÄ¹ÊÊ£¨×ÛºÏÁËϱߵÄһЩָµãÒѸüУ¬¸ÐлÔÚϱßÁôÑÔ½»Á÷µÄÅóÓÑ£¬Ð»Ð»ÄãÃǵÄÖ¸µã£¡£© ÊÕ²Ø ´ËÎÄÓÚ2009-11-10±»ÍƼöµ½CSDNÊ×Ò³
ÈçºÎ±»ÍƼö£¿
»°ÌâÊÇÓÉÈçϵÄÊÂÇéÒý³öµÄ£º
public class StringTest { 
public static void main(String[] args) { 
String str1 = new String("abc"); 
String str2 = "abc"; 
if (str1 == str2) { 
            System.out.println("str1 == str2"); 
        } else { 
            System.out.println("str1 != str2"); 
        } 
String str3 = "abc"; 
if (str2 == str3) { 
            System.out.println("str2 == str3"); 
        } else { 
            System.out.println("str2 != str3"); 
        } 
        str1 = str1.intern(); 
if (str1 == str2) { 
            System.out.println("str1 == str2"); 
        } else { 
            System.out.println("str1 != str2"); 
        } 
String str4 = new String("abc"); 
        str4 = str4.intern(); 
if (str1 == str4) { 
            System.out.println("str1 == str4"); 
        } else { 
            System.out.println("str1 != str4"); 
  &nb


Ïà¹ØÎĵµ£º

ÓÃJavaдµÄͼƬä¯ÀÀÆ÷

                    ÓÃJavaдµÄͼƬä¯ÀÀÆ÷
package com.wenbo.myprogrem.day16;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionLis ......

JAVA excel

<%    
 response.setContentType("application/vnd.ms-excel;charset=utf-8");
 String  reportname = (String)request.getAttribute("reportname");
 String  reportFileName=java.net.URLEncoder.encode(reportname, "UTF-8");
 String  filenamedispla ......

JAVA²Ù×÷´®¿ÚÓиÐ

ÔÚ×ö¹ýÒ»Äê¶àµÄRXTX²Ù×÷´®¿ÚÏîÄ¿ÓÐÏÖÔÚ°ÑһЩƽʱÓöµ½µÄÎÊÌâÔÚÕâÀïдд£º
RXTXÊÇÒ»¸ö¿ªÔ´°ü£¬Ö÷ÒªÊÇÔÚCOMM¿ªÔ´°üÖÐ×öÀ©ÕÅ£¬ÒÔǰµÄCOMM°üÖ»ÄÜÔÚWINDOWSÏÂÃæ¶Ô´®¿Ú»ò²¢¿Ú×ö²Ù×÷£¬À©³äºóµÄRXTX¿ÉÒÔÔÚLINUXºÍMAC϶Դ®¿ÚºÍ²¢¿Ú×ö²Ù×÷¡£  ÏÖÔÚ¿çÆ½Ì¨£º
ÔÚRXTXÍøÕ¾ÏÂÔØJAR°üºÍ¶¯Ì¬¿â
http://users.frii.com/jarvi/rxtx ......

java²¼¾Ö¹ÜÀíÆ÷

JAVAµÄ½çÃæ²¼¾ÖÔ­Àí£ºÒòΪJavaÊÇ¿çÆ½Ì¨ÓïÑÔ£¬Ê¹Óþø¶Ô×ø±êÏÔÈ»»áµ¼ÖÂÎÊÌ⣬¼´ÔÚ²»Í¬Æ½Ì¨¡¢²»Í¬·Ö±æÂÊϵÄÏÔʾЧ¹û²»Ò»Ñù¡£Java ΪÁËʵÏÖ¿çÆ½Ì¨µÄÌØÐÔ²¢ÇÒ»ñµÃ¶¯Ì¬µÄ²¼¾ÖЧ¹û£¬Java½«ÈÝÆ÷ÄÚµÄËùÓÐ×é¼þ°²ÅŸøÒ»¸ö“²¼¾Ö¹ÜÀíÆ÷”¸ºÔð¹ÜÀí£¬È磺ÅÅÁÐ˳Ðò£¬×é¼þµÄ´óС£¬Î»Öõȣ¬µ±´°¿ÚÒÆ¶¯»òµ÷Õû´óСºó×é¼þÈçºÎ±ä»¯µÈ¹ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ