use the compact method, which removes all nils from an array. : join « Array « Ruby






use the compact method, which removes all nils from an array.


months = %w[ nil January February March April May June July August September
October November December ]

puts months.compact.join( ", " ) 

 








Related examples in the same category

1.join all the elements together into one big string by calling the join method on the array
2.join method can take an optional parameter that's placed between each element in the resulting string