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APCS String 1, Problem 5. Given a string of any length, return a new string where the last 2 chars, if present, are swapped, so "coding" yields "codign". S15_lastTwo("coding") → "codign" S15_lastTwo("cat") → "cta" S15_lastTwo("ab") → "ba" Go...Save, Compile, Run (ctrl-enter) public String S15_lastTwo(String str) { } Go Editor font size %:75100125150 Shorter output

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