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What is the error in the following method definition? public static int tripler(int numpara) { double result = numPara * 3; } The method should

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What is the error in the following method definition? public static int tripler(int numpara) { double result = numPara * 3; } The method should be private. The method does not return a value. The method does not modify its parameter variable. The method returns a value of type double. Which method header is appropriate for this method body? { if (numi

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