How to add or insert ' (single quotes) for every string in a list in which strings are separated by commas using Java

Question

I have a list as below

[url1,url2,url3,url4] 

This list will be based on multiple selection from drop down list of HTML. So list size i.e., lis

Answer 1

1. Iterate the list (for/while).

2. For each element in the list append . Hint: use append() on StringBuilder.

3. Truncate/substring the list to remove the last element added. Hint: use substring on String class.