2d character array to string (java) -

i need converting 2d character array string. figured out how convert 1d character array string, i'm unsure how go changing display 2d char array.

public class chararraytostring {     public static void main(string[] args) {          char[] chararrays = new char[] {'0', '4', '2', 'b', 'p', 'r'};          string newstring1 = new string(chararrays);         system.out.println("newstring1 : " + newstring1);          string newstring2;         newstring2 = string.valueof(chararrays);         system.out.println("newstring2 : " + newstring2);     } }