PART 1 || Most asked interview question || find index of array whose sum is our target number

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PART 2 || Find Duplicate String and count of the string in given array using HASMAP || HASHMAP ||

PART 1 || Find duplicate String in given array using HASMAP || HASMAP Interview Question.

Find all permutation of given string ||Asked in TCS interview

PART 2 || Most asked in interview || Find the index of array using HashMap concept whose sum given

PART 1 || Most asked interview question || find index of array whose sum is our target number

Check the given number is prime or not || prime number || How to find the number is prime

Reverse the the give word in string

Arrange in the alphabetical order given word String.