1>what is the difference between Value Object(VO) and Java bean?
Value object is a pattern, a bean is a specification
2>what is the difference between arraylist and linkedlist?
Please check the Java API
3>what is a Business delegate design pattern?
Sound like one for the Pzattern's forum
4>how do we implement singleton design pattern in a Servlet?
More input. Why would you?
5>{Code for a servlet below starts}
init(){
int i=10;
}
service(){
out.println(i);
}
//what is the ouput in this case??
{Code for a servlet ends}
You should try this and see.
6>what are the differences between HashMap and HashTable?
Again you should get used to using the API
7>How do you read a Large file(Example ..size > 2 MB) from database?
Please ask this in the
JDBC forum.
8> how do to read a CLOB,BLOB Objects from database?
As above.
9> what is the difference between BufferedInputStream and FileReader ?
PLease ask this in the Streams forum. The API would help, though.
10> how do to write my own Exception class.?
Please ask in the beginner forum.
11> By default,how do to get the objects in a collection sorted ?
Se the API for the java.util.Collections class
