java

[rcnraju]

Q)How many ways we can call the REquestDispatcher object?



Q)what is the difference betweenIterator and Enumator?



Q)can we provide the constructor to a servlet?



Q)what is the diffarance between lists and sets?



Q) what type of code we can provide in the servlet init() method to call the jsp?



Q)can u explain the sinero given below


if we have two forms, we can submit the first form then second form
will be generate, after the second form is submit thedata will be
submit in the database.

then, forther we can give any one of the field in another form we can get the whole data.

this is the sinero ple tell me the process?

[Rena]

HI,

2.ENUMERATOR:

a.Not always produces an error if the collection during iteration is changed.

b.Used by Vector.

ITERATOR:

a.Always generates an error if collection is changed.

b.Used by list.

3. Ya.We can have constructor.

4.While storing,set dont perform it in an ordered way.

While storing,list perform it in an ordered way.