ICSE − Q & A

GUYS Cud someone please explain what pure and impure functions
@sdfg i hv 3 text books and they all say that pure functions are those that dont change the value of  the arguement passed to them.Ill really be greatful if u cud answer this question.

Is it okay if v stick 2 the scope for CA or should v read entire Sumita arora book and/or APC book?

Every single answer on this Q and A page, even if it is precise par excellence, has a dislike :( :( :(

hi guys I am returning to this page expecting that the evil creature has left
all the best for tomorrows xam
any speculation abt model of tomorrows paper?
and I expect this from computer studs.

Hello, Returning to this page with some hope that the evil person has left and wouldn't return due to new security features like account can be created only using fb and no drawing option and even if he does, please don't accuse me of being him next time. 
Thanks. 
All the best for Computer Application(/Elective) :)

Write a program in java to input a positive decimal integer N and perform the following:
(a) find and print the sum of the digits.
(b) find and print its prime factors.

Class wraps together characteristics using ______.
Class wraps together behaviour using ______.
Data members and member functions?

Definition for Global variable nd Destructor?

Any ENA students here??

Can anyone please explain the PrintWriter class? And features of Character based classes in general?