N.J. Stat. Ann. § 2A:14-30

Thirty years' actual possession of any real estate excepting woodlands or uncultivated tracts, and 60 years' actual possession of woodlands or uncultivated tracts, uninterruptedly continued by occupancy, descent, conveyance or otherwise, shall, in whatever way or manner such possession might have commenced or have been continued, vest a full and complete right and title in every actual possessor or occupier of such real estate, woodlands or uncultivated tracts, and shall be a good and sufficient bar to all claims that may be made or actions commenced by any person whatsoever for the recovery of any such real estate, woodlands or uncultivated tracts.