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returns the last character in a StringBuilder variable named strBuf? Select one: A. strBuf. charAt(strBuf. length() - 1) B. StringBuilder. charAt(strBuf. length() - 1) C. StringBuilder. charAt(strBuf. capacity() - 1) D. strBuf. charAt(strBuf. capacity() - 1)

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returns the last character in a StringBuilder variable named strBuf? Select one: A. strBuf. charAt(s...

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