Driver program to test above functions
public static void main ( String [ ] args ) { FindMaximum max = new FindMaximum ( ) ; int arr [ ] = { 9 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 18 , 0 } ; int n = arr . length ; int maxDiff = max . maxIndexDiff ( arr , n ) ; System . out . println ( maxDiff ) ; } }