Like said above, be very careful getting law information on the NET unless it's from a very trusted source like the State Police or Attorney General's Office of that state. I hope the links below help you...
Check here:
New Jersey | OpenCarry.org
And check here:
New Jersey State Police - Firearms Information
Here are the laws governing hollow points in NJ:
New Jersey State Police - Transportation and Use of Hollow Point Ammunition by Sportsmen
And check here:
Table of Contents View Frame Page
And here is a source for more links:
NJ Guns