how to check build is broken links in selenium code example

Example 1: how to find broken links in selenium

1-Collect all the links in the web page based on <a> tag.
2-Send HTTP request for the link and read HTTP response code.
3-Find out whether the link is valid 
or broken based on HTTP response code.
4-Repeat this for all the links captured.

Example 2: broken links in selenium

1-Collect all the links in the web page based on <a> tag.
2-Send HTTP request for the link
and read HTTP response code.
3-Find out whether the link is valid 
or broken based on HTTP response code.
4-Repeat this for all the links captured.