private void showLookup(int n)
    {
        for (int i=0; i<n; i++) {
            System.out.println( result.get(i) );
        }
    }
private void showLookup ( int n ) { for ( int i = 0 ; i < n ; i ++ ) { System . out . println ( result . get ( i ) ) ; } }
for debug