N.J.S. 2C:18-2. Burglary

a. Burglary defined. A person is guilty of burglary if, with purpose to commit an offense therein he:

(1) Enters a research facility, structure, or a separately secured or occupied portion thereof unless the structure was at the time open to the public or the actor is licensed or privileged to enter; or

(2) Surreptitiously remains in a research facility, structure, or a separately secured or occupied portion thereof knowing that he is not licensed or privileged to do so.

b. Grading. Burglary is a crime of the second degree if in the course of committing the offense, the actor:

(1) Purposely, knowingly or recklessly inflicts, attempts to inflict or threatens to inflict bodily injury on anyone; or

(2) Is armed with or displays what appear to be explosives or a deadly weapon.