Java Recursion Homework help, problem #1-4 plz !

Written Homework: Recursion e course documents: 1. The met e method below was presented in the coursed Cons import java.io.' 26 1 8 public olass Driver l public statio void void main (stringl) args) throws java io. 1oxception system.out println("Enter string: ") foo ) Using recur quoti public static void fool) throws java.io. IOExcept i char (char) System.in.read() if (c!- ion ( foo) System. out.print (c) 3. W Its purpose is to reverse the characters in an input stream. For example, if the input to the method is: bu then the output produced by the method is: stream. Note that I do not want you to give as the solution: ar in the output System.out.print (c)i Focus on Data Structures Page 172