Create the arraylist that should stored following strings.

-This
-Class
-is
-good
-We
-have
-learned
-lot
-of
-things.

Once you stored all the data in the arraylist, then loop thru the Arraylist and remove all the strings that starts with either C or o.
And print the entire arraylist as the single statement. The output should be

Output : This is good We have learned lot things.