Question: Given a string str and an int num, return a string made of the last n characters of the string, followed by the last n-1

Given a string str and an int num, return a string made of the last n characters of the string, followed by the last n-1 characters of the string, and so on. You may assume that n is between 0 and the length of the string, inclusive (i.e. n >= 0 and n <= str.length()).

repeatEnd("Chocolate", 4) "lateatetee"

repeatEnd("Chocolate", 3) "atetee"

repeatEnd("Ice Cream", 2) "amm"

Write the body of the method signs whose signature is given to you below: (you cannot modify the signature)

public static String repeatEnd(String str, int num)

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