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 ×îÐÂÎÄÕ : java

JAVAÖÐÈçºÎÊäÈëÊý¾Ý - Java / Java SE

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ÄÇôÔÚJAVAÖÐÈçºÎʵÏÖ 
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Scanner sc = new Scanner(System.in);
System.out.println("ÇëÊäÈëÄÚÈÝ£º");
String str = sc.nextLine();
System.out.println("ÄúÊäÈëµÄÄÚÈÝΪ£º" + str);


Java code:
String str;
int a;
Buffered ......

java readÎÊÌâ - Java / Java SE

¹ØÓÚjava ÀïÃæµÄÕâ¸öº¯Êýread(char chuf[],int off, int length);
ÀïÃæµÄchufµÄ³¤¶ÈÒªÉèÖöàÉÙ²ÅΪºÏÊÊÄØ£¿
ÒòΪ³ÌÐòÔÚ¶ÁÒ»¸öÍøÒ³µÄÄÚÈÝʱ£¬Èç¹ûÒ»¸öÍøÒ³µÄÄÚÈݹý´óµÄ»°£¬¶øchufµÄ³¤¶ÈÓÖÏà¶ÔСµãµÄ»°£¬ÄǾÍҪѭ»·ºÜ¶à´ÎÁË£¬ÕâÑùºÄ
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javaÌæ»»×Ö·ûÎÊÌâ - Java / Java EE

String a=application.getRealPath("");
a=a.replaceAll("\\","/"); 
±ÈÈçE:\tomcat-6.0.18\webapps\yoowoopro Ìæ»»ÎªE:/tomcat-6.0.18/webapps/yoowoopro ÄØ£¿

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a.replace("\\","/");


String replace(CharSequence target, Cha ......

javaµÄequalsºÍcontainsµÄÇø±ð - Java / Java SE

equalsÅжÏÊÇ·ñÏàͬ
containsÅжÏij¸ö¶ÔÏóÊÇ·ñº¬ÓÐÕâ¸öÔªËØ
¶¼ÊÇÅжϵÄÄÇcontains²»¿ÉÒÔÖ±½ÓÓÃequalsÖ±½ÓÅжÏÂð£¿
  Ë­ÄܸøÎÒ˵ÏÂËûÃǾßÌåµÄÓ÷¨°¡£¿£¿£¿
 
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¿ÉÒÔÊÇ¿ÉÒÔ£¬µ«Êǵ±ÓжÔÏóÌṩcontains ʱ£¬Äã»áÈ¥ÓÃequals  ......

JDBC Á¬½Ó Oracle - Java / Java SE

ʹÓà JDBC Á¬½Ó Oracle ʱ£¬Èç¹û URL д³É£ºjdbc:oracle:thin:@192.168.1.100:1521:sid (192.168.1.100 ÊDZ¾»ú IP)
´ËʱÔÚ»ñÈ¡ Connection ʱ½«³öÏÖÒÔÏÂÒì³£¡£
Java code:

java.sql.SQLException: The Network Adapter could not establish the connection
µ«Èç¹û½« URL д³É jdbc:oracle:thin:@localhost:1521:sid ......

Ajax ¼ì²âÓû§ÃûÓеãСÎÊÌâ - Java / Java EE

Êý¾Ý¿âÒѾ­·ÅÁ˶àÌõ¼Ç¼£¬¼ì²âµÄ¶¼ÊÇÓ¢Îĵģ¬¿ÉÊÇÓÐЩÓû§Ãû¿ÉÒÔÕý³£¼ì²â³öÒѱ»×¢²áÁË£¬ÓÐЩÓû§ÃûÊý¾Ý¿âÖÐȷʵ´æÔڵĵ«¾ÍÊǼì²â²»³öÒÑ´æÔÚ£¨ÔÚ×¢²áÒ³Ãæ»¹ÊÇÏÔʾδ±»×¢²á£©£¬±ÈÈçÊý¾Ý¿âÖÐÓÐ Ò»¸öÓû§ÃûΪ£ºlb ÎÒ±íµ¥ÖÐÊäÈë¡®lb¡¯ºó¼ì²â²»³öÒÑ´æÔÚ£¬ µ«ÊǰÑÕâ¸ö¼Ç¼¸ÄΪ¡®lb1¡¯ºó ÎÒÔÚ±íµ¥ÖÐÊäÈë¡®lb1¡¯¼ì²â£¬½á¹û¾Í¼ì²â³ ......
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