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

for list you can convert this by Java 8

 list.stream().collect(Collectors.joining("','", "'", "'"));