Add Josephus Problem in JAVA

[DevDatir]

Hey,
I want to contribute to this repo by adding one of the most famous name programs 'Josephus Problem'.
Problem Statement:
Given a group of n people standing in a circle, every kth person is eliminated in every round until only one person remains. The goal is to find the position of the last person who survives.

Please assign this issue to me @hawk-lib

[isthis-rishi]

Please assign me this issue @hawk-lib