Driver program to test above functions
public static void main ( String [ ] args ) { int M [ ] [ ] = { { - 3 , - 2 , - 1 , 1 } , { - 2 , 2 , 3 , 4 } , { 4 , 5 , 7 , 8 } } ; System . out . println ( countNegative ( M , 3 , 4 ) ) ; } }