Write the class RecursiveProbs, with the methods listed below.
Write all the methods using recursion, not loops. You may use JDK
String methods like substring() and length(), but do not use the
JDK methods to avoid coding the algorithms assigned. For example,
don't use String.reverse().
public boolean recursiveContains(char c, String s) returns true if
the String contains the char, otherwise returns false.
Here is the code for this method, which you should use as an
example to see how to...