There's several methods you'll need to complete:

int[] buildArray(int start, int finish) which returns an array that contains the numbers from 'start' to 'finish', inclusive.

void printArrayContents(String message, int[] array) which prints the message that is passed in, as well as all the numbers in the array.

void printSumAndAverage(int[] array) which prints the SUM and the AVERAGE of the numbers in the array.