Recommendation function

Question

Hello fri, I am writing my final year project using java spring framework. And I have an issue with creating the recommendation function. Can someone help me with that. I will provide you my working files here - https://drive.google.com/drive/folders/1WjB7eGgfFYaHMmFU_oFgxj7wTU2vSZgr
Thank you so much and please do help me 🥺

Answer 1

example from AI:
https://chat.openai.com/share/cf4b8c39-3db6-462a-92df-34dbd9a003c8