Question: using java programming. 2. Write a method to compute all permutations and combinations of a string with and without repetitions. Note that we are not

 using java programming. 2. Write a method to compute all permutations

using java programming.

2. Write a method to compute all permutations and combinations of a string with and without repetitions. Note that we are not asking for the number of permutations and combinations but actual ordered permutations and possible combinations of the alphabets of input string

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