Hello, I'm getting into Recursion. Kindly request in Java, please write an example of a recursive method that accepts string arguments and prints the string in reverse order. Demonstrate the method in a program, please.

Java source code writing - a recursive algorithm. Please use non-recursive and recursive ways to compute the nth Harmonic number, defined as H. Turn in your java source code file with three methods, including one main() method.

The Fibonacci algorithm is a famous mathematical function that allows us to create a sequence of numbers by adding together the two previous values. For example, we have the sequence:1, 1, 2, 3, 5, 8, 13, 21…Write your own recursive code to calculate the nth term in the sequence. You should accept a positive integer as an input, and output the nth term of the sequence.Once you have created your code, add comments describing how the code works, and the complexity of any code you have created.

Write a static recursive method in Java called mRecursion that displays all of the permutations of the charactersin a string passed to the method as its argument. For example, the character sequence abc has thefollowing permutations: acb, bac, bca, cab, cba. Then Write a static method called getInput that get aninput string from the user and passed it to the mRecursion method written above in a method call.Please does so using what I already had   //Get input from in to call recursive method        //to display those char permutations        public static String getInput ( ) {            Scanner in = new Scanner(System.in);            String combination = in.nextLine();            System.out.println("Enter string:);             return stringComb; //Method to show permutations of a desired string// This only return 3 string combination for some reason        static void myRecursion(String aString) {            //isEmpty check            if ( aString.length() == 0){…