Question

Write a recursive, string-valued method, replace, that accepts a string and returns a new string consisting of the original string with each blank replaced with an asterisk (*) Replacing the blanks in a string involves: Nothing if the string is empty Otherwise: If the first character is not a blank, simply concatenate it with the result of replacing the rest of the string If the first character Is a blank, concatenate an * with the result of replacing the rest of the string.

Answer 1

Answer:

Check the explanation

Explanation:

public String replace(String sentence){

  if(sentence.isEmpty()) return sentence;

  if(sentence.charAt(0) == ' ')

     return '*' + replace(sentence.substring(1,sentence.length()));

  else

     return sentence.charAt(0) +            replace(sentence.substring(1,sentence.length()));