Contains Duplicate | LeetCode problem 217

Contains Duplicate
Leetcode problem number 217
Solution in JAVA
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[@manishjeena6325]

I once again appreciate your way of explaining....Keep teaching and explaining more of these LEETCODE or any other programming problems...thank you❤🙏

[@TechnosageLearning]

Thankyou for the apprectiation, it means a lot. Will be uploading more videos on the channel!

[@AlamMahmood]

I didnt understand hm.put(nums[i],i); What is the purpose of it? cant we have return false here?

[@AlamMahmood]

Never mind I understood it after asking. If the duplicate value doesnt exist in the map we keep adding it

[@dhanyadgowda3637]

hey java code also..