婷婷国产成人精品视频,aaa片欧美

Article Tags

?? ??

Java

Java??? ???

Java ??? ?? ??? ??

ORM?? ?????? Hibernate? SessionFactory? ?????? ?????? ??? ?????? ?????(? ???? ??? ??? ??? ? ????)? Session?? ??? ??? ???? ????? ?????. MyBatis?? ?? ???? ???? ?? #? $? ???? ?? ???? ??????

Dec 10, 2019 pm 02:41 PM

java

Java ????? ?? ??(2)

Spring? ??? ?? ?? Java?? ?? ?? ?? ??????? ?? ?????. ?? ?? ?? ????? Spring? ??????? ?????. Struts? ???? ?? ? ??? Spring? ???? ???? ?? ???? ? ???.

Dec 09, 2019 pm 02:51 PM

java

Java ????? ?? ?? (1)

Struts? ?? ??? ??? ?? ???? ???. Hibernate? ?? ??? ??? ?? ?????. Spring? ?? ??? ??? ?? ???? ???. Struts? ??? ??? ?? ?????????. iBatis? Hibernate? ???? ?????? Hibernate? 2?? ??? ???????. JDO? ??????

Dec 07, 2019 pm 03:03 PM

java

JDBC? ??????? ????? ?? ??? ?????? prepareStatement? Statement? ???? ?? ???? ?????. JDBC ??????? ????? ??? ????? ???? ??? ?? ???? ?????. ?????? ?? ?? ??, ? ?? ?? ???? ???? JDBC ?? ??(dirty reading)? ??????

Dec 06, 2019 pm 03:02 PM

java

JavaWeb ??? ?? (1)

Servlet API? ??()? ????()? ???? ?????? request.getAttribute()? request.getParameter()? ???? ??????

Dec 05, 2019 pm 03:08 PM

java

?? Java ?? ?? (4)

a.hashCode()? ??? ?? ?????? a.equals(b)? ?? ??? ???? ??? ???? ?? ???? ??? Java ???? ???? Java ???? ???? ??? ?????? ??? ??? ?? ?????? ??? ??? ???. JVM ?? ??? ??? ?? ????? ?????.

Dec 04, 2019 pm 03:04 PM

java

?? Java ?? ?? (3)

String s = new String("xyz"); ??? ?? StringObject? ?????? String ???? ???? ? ???? String? StringBuffer? ???? ?????? final, finally, finalize? ?????.

Dec 03, 2019 pm 03:14 PM

java

?? ??? ??? ??

ArrayList? Vector? ??? HashMap? Hashtable? ??? List? Map? ???? ?????? List, Set ? Map? Collection ??????? ?????? ??? ???? ? List, Map ? Set ? ?? ?????? ? ??? ??????

Dec 02, 2019 pm 04:27 PM

java

?? Java ?? ?? (2)

?? ??? ??? ??? ???? ???? ?? ?????? ??? ??? ??? Math.round(11.5)? ?????? Math.round(-11.5)? ?????? ????? ???? ???? ??????

Nov 30, 2019 pm 03:28 PM

java

?? Java ?? ?? (1)

".java" ?? ??? ?? ???(?? ??? ??)? ??? ? ????? ?? ??? ?????? Java?? goto? ???? &? &&? ???? ?? ???? ?????. JAVA? ?? ?? ?? ???? ???? ??? ?????? switch ?? byte, long ?? String?? ??? ? ????

Nov 30, 2019 pm 01:25 PM

java