Find Duplicate character in given String | Java Program

[@PratimaKumari-mm6pt]

I think it's a perfect code on TH-cam, for duplicate char in a string

[@vineetchandra2830]

I
watch your videos, they are helpful, please do one thing just make the background music more low.....

[@protechbeach]

Thanks Vineet for your useful feedback. will consider your suggestion.

[@Vithal_Nivargi]

Thank you Nicely explained

[@protechbeach]

Thanks for your feedback Vithal

[@poonam-zy7zs]

Thank u so much for helping us..

[@protechbeach]

It's my pleasure

[@harishg105]

avoid music it will disturb