In this program, create a method with the following signature: public static double getAverage(double d1, double d2, double d3, double d4, double d5) This method will accept five doubles and return the average. Also in program, create a method with the following signature: public static char determineGrade(double avg) This method will take an average, then return the corresponding letter grade. Write in java and use test case# as an example

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