Java Beginners PrimeNumber

Couldn't understand the code where it says:
if(i == j)
Can anyone explain me this bit?y do we need that for?

Posted by sal85 on Saturday, 09.6.08 @ 08:43am | #77419

Actually Connection is an interface in jdbc,without creating a class how can we get a method inside connection interface?

Posted by neelakandan on Monday, 08.25.08 @ 11:28am | #74972

regarding bufferreader-is it able to use datainputstream instead.

really this tuts help me a lot!

nith wishes----------naveen

Posted by naveen on Monday, 03.24.08 @ 10:17am | #54032

I really respect who has developed this website and uploaded the easy and good programs. i really like this webiste and due to this website i have got A+ in my final exams in java. i have not touched even my course book.
I really like it keep it up and please upload the easy codes for asp.net also.
Best Regards,
Mirza
IT Administrator

Posted by Mirza on Wednesday, 08.8.07 @ 13:25pm | #22922

I cant understand what "throws Exception" do

Posted by heba on Saturday, 04.21.07 @ 23:20pm | #14696

how to write given no is prime or not plz provide code for that

Posted by shivaji on Friday, 03.30.07 @ 12:47pm | #12977

ok i solved the prob

Posted by kasia on Thursday, 03.8.07 @ 03:59am | #11063

tutorials so far word fine till i got 2 this one and
i get an error on line 18
int num = Integer.parseInt(bf.readLine());

with bf.readLine();

Posted by kasia on Thursday, 03.8.07 @ 03:49am | #11061