Joining string with empty string

    

print join ("", H, e, l, l, o);

1.	Join strings
2.	Takes its input and joins it into a single string.
3.	Join the mapped value
4.	Join the result of the split function
5.	Join variables
6.	Join with
7.	Join with 'map chr'
8.	Join with 'map lc'

Joining string with empty string : join « String « Perl