Need help writing a program for #3 in Java.

3. Test above methods: a. Prompt user to enter an integer number n; b. CallgenerateArray()" by passing n to this method to generate an array; C. Call getStatisticInfoOfArray() by passing the array generated in 3(b) to this method to get statistic information of this array; d. Display the following message: The maximum element in array is: ? The minimum element in array is: ? The average value of the array is