General Doubt For Solving Further Recursion Questions

[saurabhrishu30_ad6b27bfa8e91b31 (Saurabh Suman)]

Hi Mam/Sir,
Should I directly jump to the ArrayList section before proceeding from here or I can continue if I know basics of ArrayList?

[pssharma1410 (Piyush Sharma)]

@saurabhrishu30_ad6b27bfa8e91b31 yes you can.