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 Categories >> Software >> Java Related >> Java J2EE >> Advanced Java
 
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What is the O/P of the below Code Snippet ? And how does it imply the concept of call-by-value/call-by-reference. (Note : Pls ignore syntx errors) public class One { sop ("Into One--"); } public class Two extends One{ sop ("Into Two--"); } public class Home { One a; Two t; public static void main(argv[]) { sop ("In Home--"); sop(One.a); sop(Two.a); sop(One.t); sop(Two.t); } } wipro   2  1009
i have a 1000 objects in data base i need to display those in jsp's how can i retrive those objects in jsp. (consider the performance issue)    2  1860
Can we define constructors in Servlet? accenture   3  7990
why we use main in java?    4  3045
Difference Between getRequest and PostRequest? hcl   8  3488
can i call multipule form beans in Action class? wipro   1  3313
the advantages of polymorphic    1  1411
Suppose there are 3 combo box. SELECT COUNTRY SELECT STATE SELECT CITY if i select any country from country conutrylistbox values in the state will get automatically inserted with database values>> THEN on selection of state city will be inserted in city combo box If you can help then please Help me... hcl   2  6256
Hi frnds ,iam new to java and j2ee ,my requirement is using java or any j2eetech how to lock an user when he enter wrong credentials(uname&password) more than 3 times.take the username and passowrd in a bean no need to conned Db kindly provide me sample application code or and ideas or links or tutorials plzzzzz urgent for me thanks in advance... nsn   2  2275
iam writing the contents to a excel through I/O i am putting first statement as WRITE and then READ(from excel) immediately..later user complains that he is not getting the date by using READ ..wat could be the situation igate   3  1439
how to search the pertical objects in a Collections igate   3  2305
what are the software's needed to develop advanced java 3 tier application project    1  1797
i want documentation of text file splitter & merger of advanced java infosys   1  1943
explain session tracking. why we used it lionbridge   3  3661
How to add new JTabbed pane?    1  1827
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Un-Answered Questions
 
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What is a convertor? 673
how to use debug in my elipse to solve problems that exist in my project 614
what is the use of State Factories? 780
What are JTA/JTS and how they used by client? 649
how to make a index.jsp for running the site in internet and find an error for connection with weblogic server and java that give an error invalid object name.and how to maintain session. 701
What are the sequence of steps to write pub or sub model kind of application? 670
How to implement dphibernate to activate lazy loading in Flex with java ?thanx in advance! 1375
we use MainFrame and using os390 for operating system with DB2 data base in IRAN and interest programing with java and use webspere for world wide,please help me where i should start? 717
Why use POJO when I can use hashmap 709
AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool? 522
which type of objects reference will be given to client? 822
How a component can be placed on Windows? 1089
what are memory considerations of jsp compares to other web components? 2585
What is Remote Server? 597
what is handle? 679
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