Driver program to test above functions
public static void main ( String [ ] args ) { System . out . println ( " Output ▁ for ▁ m ▁ = ▁ 5 , ▁ n ▁ = ▁ 6" ) ; fill0X ( 5 , 6 ) ; System . out . println ( " Output ▁ for ▁ m ▁ = ▁ 4 , ▁ n ▁ = ▁ 4" ) ; fill0X ( 4 , 4 ) ; System . out . println ( " Output ▁ for ▁ m ▁ = ▁ 3 , ▁ n ▁ = ▁ 4" ) ; fill0X ( 3 , 4 ) ; } }