N.J. Const. art. XI, § 4, ¶ 4

Except as otherwise provided in this Constitution and until otherwise provided by law, all courts now existing in this State, other than those abolished in paragraph 3 hereof, shall continue as if this Constitution had not been adopted, provided, however, that when the Judicial Article of this Constitution takes effect, the jurisdiction, powers and functions of the Court of Common Pleas, Orphans' Court, Court of Oyer and Terminer, Court of Quarter Sessions and Court of Special Sessions of each county, the judicial officers, clerks and employees thereof, and the causes pending therein and their files, shall be transferred to the County Court of the county. All statutory provisions relating to the county courts aforementioned of each county and to the Judge or Judges thereof shall apply to the new County Court of the county and the Judge or Judges thereof, unless otherwise provided by law. Until otherwise provided by law and except as aforestated, the judicial officers, surrogates and clerks of all courts now existing, other than those abolished in paragraph 3 hereof, and the employees of said officers, clerks, surrogates and courts shall continue in the exercise of their duties, as if this Constitution had not been adopted.