Course Solutions Uncategorized (Solved) : Modify Java Code Doesn T Show Permetations Contain Letter Example Aa Allowed Since Already Q32519752 . . . .

(Solved) : Modify Java Code Doesn T Show Permetations Contain Letter Example Aa Allowed Since Already Q32519752 . . . .

 

how do I modify this java code so it doesn’t show thepermetations that contain the same letter for example so “aa” isnot allowed since “a” was already used.

class problem2 {

   static int count = 1;

   // The method that prints all

   // possible strings of length k.

   // It is mainly a wrapper over

   // recursive function printAllKLengthRec()

   static void printAllKLength(char[] set, int k){

       int n = set.length;

       printAllKLengthRec(set, “”, n,k);

   }

   // The main recursive method

   // to print all possible

   // strings of length k

   static void printAllKLengthRec(char[] set, Stringprefix, int n, int k) {

      

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