Want to warm up your coding muscles with a quick drill? Try this easy, Java-based strings exercise.
Given a non-empty string like "Code" return a string like "CCoCodCode".
stringSplosion("Code") → "CCoCodCode"
stringSplosion("abc") → "aababc"
stringSplosion("ab") → "aab"
https://techdevguide.withgoogle.com/paths/foundational/stringsplosion-problem-ccocodcode/#! http://codingbat.com/prob/p117334