RosettaCodeData/Task/Repeat-a-string/J/repeat-a-string.j

   5 # '*'               NB. repeat each item 5 times
*****
   5 # 'ha'              NB. repeat each item 5 times
hhhhhaaaaa
   5 ((* #) $ ]) 'ha'    NB. repeat array 5 times
hahahahaha
   5 ;@# < 'ha'          NB. boxing is used to treat the array as a whole
hahahahaha