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In order to serialize an object, you need the output stream OutputStream, which must be put into the

An enum type is a type whose fields consist of a fixed set of constants. Enum can be used whenever a

Hashtable is synchronized, whereas HashMap is not. This makes HashMap better for non-threaded

The main runtime interface between a Java application and Hibernate. This is the central API class

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if the servlet implements this interface, the servlet will be thread safe. Note that this is not an

Here size means how many value are in vector and capacity means how many value can store vector. On

Yes a ArrayList can contain heterogenous objects. Because a ArrayList stores everything in terms of

Question: what is the max size of arraylist? Answer : max size of arraylist is equal to maximum value

What is the difference between the size and capacity of a Vector?

can we create marker interface?if yes then how?and if no then why not

what is fail fast and fail safe in java

why do we use iterator's remove method to delete an object of arraylist when we have a remove

what is serialization?can we serialize any java object with out using serializable interface?

what is connection pooling?

how jsp work?

how to get servlet context in jsp?

what is load on start up ?

how servlet works?

session handling in servlet?

what is difference between forward and sendRedirect?

life cycle of jsp

state of any object in hibernate?

difference between page and pagecontext in jsp

polymorphism in java

collection in hibernate?

difference between error and exception?

what is auto boxing in java?real time example

what is index?use of indexing in sql