String-2 > doubleChar
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Given a string, return a string where for every char in the original, there are two chars. doubleChar("The") → "TThhee" doubleChar("AAbb") → "AAAAbbbb" doubleChar("Hi-There") → "HHii--TThheerree" Go...Save, Compile, Run (ctrl-enter)Show Hint public String doubleChar(String str) { } Go Editor font size %:75100125150 Shorter output

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