Question $1$: Recursion with Strings

Write a recursive method called removeSpaces that has the following first line:

public static String removeSpaces$($String s$,$ int index$)$

This method processes the characters in s starting from the position given by index

onwards until the end of s$.$ This method returns a string with those characters but

without any of the spaces.

For example, if s has the value "abc x y z$",$ then calling removeSpaces with index of

$0$ will return "abcxyz".

The only methods you are permitted to use from the String class are charAt$()$ and

length$().($Happily$,$ these are the only ones you nee