JAVA PRIME GENERATOR PROBLEM

general
1

**MY QUESTION=**www.codechef.com/problems/PRIME1
**MY SOLUTION=http://www.codechef.com/submit/complete/566496-2--55575863844af
TYPE OF ERROR=TIME LIMIT EXCEEDED`

PLZ EXPLAIN MY MISTAKE AND DEBUG MY CODE

2

your program is very slow, use sieve instead

try your program for

999000000 - 1000000000