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Given a string, return a new string where the first and last chars have been exchanged. frontBack("code") → "eodc" frontBack("a") → "a" frontBack("ab") → "ba" Go...Save, Compile, Run (ctrl-enter)Show Solution public String frontBack(String str) { } Go Editor font size %:75100125150 Shorter output

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Difficulty: 133.0

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