please solve quick

Javafx implementation

Write two generic methods gReplace 0 : takes a 2D array of generic elements and two scalars of the same type. The method must replace all occurrences of the first scalar with the second one in the generic array. gPrint0: takes a 2D array of generic elements as input argument and prints the contents of the generic array to the console. Example: Suppose that the generic array content is a={{1,2},{3,4},{2,5}} if n1=2 and n2=0, gReplace 0 should replace all 2s with 0 s and you should end up with a={{1,0},{3,4},{0, 5\}\}