Write a method that takes a given string and replaces all occurrences of one string with another string, returning the number of replaces made.  For instance, given the string “Microsoft” if you were to replace all occurrences of “ic” with “MSFT” the result would be “MMSFTrosoft” with a return value of 1.  As part of a final solution please provide unit tests done as well as any test cases ran.  Please note that you may not use String.Replace or string:replace depending upon the language you use; you must write this functionality yourself.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Write a method that takes a given string and replaces all occurrences of one string with another string, returning the number of replaces made.  For instance, given the string “Microsoft” if you were to replace all occurrences of “ic” with “MSFT” the result would be “MMSFTrosoft” with a return value of 1.  As part of a final solution please provide unit tests done as well as any test cases ran.  Please note that you may not use String.Replace or string:replace depending upon the language you use; you must write this functionality yourself.

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