Please explain what happens in this code.

Question

https://code.sololearn.com/cxfCP3UVR8a5/?ref=app

Answer 1

Oh! Thanks Serena😁 So, toString() is always invoked! Ok but what does it do in the normal cases?

Answer 2

Thanks for taking the time to reply. Saying the truth, some of it went over my head. Sorry your precious time was wasted but I will come back to this answer when I will be learned enough to understand. Though, I understood 60% . I learned a new thing today. Thank You for that.😊