Search:

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

Thanks,
--Suresh--

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....

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....

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...

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--

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...

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

Thanks & Regards,
--suresh--

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...

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...

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...

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

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...

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...

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...

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...

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...

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



Regards,
Ch.suresh

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...

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...

What is your meaning of 'Auto install'

Regards,
--suresh

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


--suresh

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...

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...

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


--suresh--

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...