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srp4379@lausd.net > secondHalfTwice
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String secondHalfTwice(String str). Given a string with an even number of characters, return a string containing the last half of the characters TWICE.


secondHalfTwice("JonesBeach") → "BeachBeach"
secondHalfTwice("HelloWorld") → "WorldWorld"
secondHalfTwice("JumpShip") → "ShipShip"

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String secondHalfTwice(String str) { }

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