The Court of Errors and Appeals was the highest court in the U.S. state of New Jersey after the enactment of the state's 1844 constitution. However, under the state's 1947 constitution, the state's highest court is now the New Jersey Supreme Court. The name derived from its function of hearing appeals and correcting previous courts errors in judgement. A state of the United States (a U.S. state) is any one of the fifty states (four of which officially favor the term commonwealth) which, along with the District of Columbia, form the United States of America. ... Official language(s) None defined, English de facto Capital Trenton Largest city Newark Area - Total - Width - Length - % water - Latitude - Longitude Ranked 47th 22,608 km² 110 km 240 km 14. ... The current justices of the New Jersey Supreme Court. ...