Question: JAVA Write a recursive method to return all possible k permutations of the given String non-zeros number Sample input : 567 , 2 output :

JAVA Write a recursive method to return all possible k permutations of the given String non-zeros number

Sample input : "567" , 2

output : "5-6", "5-7", "6-7", "6-5", "7-5", "7-6"

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