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  1. Re: Super Class Sub Class Serializable Interface

    When the super class implements Serializable interface.and if you extend that class to subclass, Subclass also Serializable.

    Thanks,
    --Suresh--
  2. Answers
    3
    Views
    1,548

    Re: Marker interface

    Hi,
    Marker interface means it doesnot have any methods.It means by implementing marker interface we need not implement any methods it just intimates to the JVM to do some specific operation....
  3. Answers
    3
    Views
    9,839

    Re: switch case vs if else

    The switch statement only handles integral quantities.
    Compilers may optimize the switch statement into a jump table
    (see below).

    An if-else-if ladder can handle any type, such as a string....
  4. Re: Calculate address of previous element in linked list

    Hi,
    If it is doubly linked list you can find the previous node address very easily like currnetNode.left().
    If it is single linked list Again you have to check from the root node.for that you...
  5. Answers
    4
    Views
    12,749

    Re: JDK 1.5 Setup

    Hi sree kumar,
    I downloaded it and tested the size of the set up file.its size also 51 mb.
    Please verify it again.its size for windows is 51 mb

    Thanks
    --Suresh--
  6. Answers
    4
    Views
    12,749

    Re: JDK 1.5 Setup

    Hi,
    At the link you specified http:// java . sun . com/javase/downloads/index_jdk5 . jsp
    There are 3 options like :
    1) jdk 5.0 with netbeans ide
    2) jdk 5.0 with javaee
    3) jdk 5.0 with update 14...
  7. Oracle Re: Procedure (Part of package) to be modified

    Thank u for your quick response.
    Keep sending useful answers.

    Thanks & Regards,
    --suresh--
  8. Oracle Re: Procedure (Part of package) to be modified

    Hi,
    I think the question was asked for how to change the procedure in the package in sql*plus.
    Sireesha if you give answer to change the procedure name or arguments without editing ,i.e by using...
  9. Answers
    2
    Views
    8,669

    Re: HttpServlet abstract class

    Hi chandra,
    we can declare a class as abstract even though if it contains all concrete methods(with implementaitons). like
    public abstract class Test{
    }
    or
    public abstract...
  10. Answers
    1
    Views
    3,921

    Re: Memory size occupied by object

    Hi ravi,
    You can use Runtime . freeMemory() for calculating object size.
    First use this function to find the total free memory before object is created.
    Create the object and again test the...
  11. Answers
    1
    Views
    1,134

    Re: Output Package name and Class name

    Hi varanasisaikarthik,
    I think actual code on main method would be
    Integer i=new Integer(10);
    -----------------------------
    -------------------------------
    If it is int i=new...
  12. Answers
    2
    Views
    1,302

    Re: Computer Viruses

    I will give answer briefly. There are different types of viruses,of serveral formats. some may come in the form of .exe files and some in .jpeg formats, and some in .doc formats,....
    Mostly viruses...
  13. Thread: java

    by sureshch83
    Answers
    2
    Views
    1,218

    Re: java

    Java is not fully object oriented language. why because object oriented language consists of fully objects.Of course a java program has full objects, it supports for primitive type like int...
  14. Answers
    1
    Views
    10,662

    Re: Create J2EE project using Eclipse?

    Hi,
    With eclipse 3.x you can create only core java applications. If you want to do j2ee based applications you have to install related plug ins. For example to do struts related applications you...
  15. Answers
    1
    Views
    7,591

    Re: JDK 1.4 and JDK 1.5

    Hi,
    In jdk1.5 ,features in 1.4 are enhanced like collection framework. and several new things came. like Enum,Assertions,Annoations,etc. you will find the same question in geek interviews->J2ee...
  16. Answers
    2
    Views
    17,125

    Re: Instances of servlet

    Hi,
    only one servlet instace is created by servlet container.We cannot create a servlet instance explicitly. And for single instance multiple threads are created. If you implement SingleThreadModel...
  17. Answers
    1
    Views
    1,298

    What is Externalization?

    Whbat is externalization in java? and how it differs with Serialization?



    Regards,
    Ch.suresh
  18. Answers
    3
    Views
    1,292

    Re: java security

    Hi,
    To restrict Decompiling we have to use the tool 'Obfuscators' . For java there are several Obfuscators like Proguard and yguard, etc..
    U can get more information at...
  19. Thread: Auto run

    by sureshch83
    Answers
    6
    Views
    1,572

    Re: Auto run

    Hi,
    In my opinion Auto installation of tomcat and mysql are not possible.
    For tomcat we have to get installation file from apache site and have to explicitly click the installation file. if u know...
  20. Thread: Auto run

    by sureshch83
    Answers
    6
    Views
    1,572

    Re: Auto run

    What is your meaning of 'Auto install'

    Regards,
    --suresh
  21. Answers
    3
    Views
    1,292

    Re: java security

    For Decompiler we have to use the tool CavaJ.
    If you donot have that tool you cannot able to Decompile a java project.


    --suresh
  22. Answers
    1
    Views
    1,710

    Re: Action Messages

    Hi,
    in struts <html:errors> tag is there in struts-html.tld file.
    in the <html:form> tag you have to include this tag before the fields username. But to use this tag you have to copy...
  23. Answers
    2
    Views
    2,546

    Web Servers Re: Weblogic Application Server

    After the installation of weblogic you will get online documnetation option
    there you will get all the information.
    otherwise browse www.bea.com site in that you will get the documentation of...
  24. Answers
    2
    Views
    3,296

    Web Servers Re: Current Web Technologies

    Web technologies can be of several things.
    Recent technologies are :
    Ajax
    Collaborative tools like Wikis
    Flex (Advance to Flash)
    ..
    ..


    --suresh--
  25. Answers
    1
    Views
    3,514

    JSP Re: Read a file by Servlet

    In the servlet you have to write Java io logic like
    Getting FileInputStream object and read the file using the methods in that class and store the total chars of file into a string.
    Then pass this...
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