How do I get the last word in each line with bash

Question

For example i have a file:

$ cat file

i am the first example.

i am the second line.

i do a question about a file.

and i need:

Answer 1

You can do something like this in awk:

awk '{ print $NF }'

Edit: To avoid empty line :

awk 'NF{ print $NF }'