Develop a function that accepts an array of integers and returns their average

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In java:

  1. Develop a function that accepts an array of integers and returns their average.

  2. Develop a function that accepts an array of integers and a threshold value from the user. The function returns how many values in the array are strictly greater than the cutoff.

  3. Using the functions written for #1, #3, and #4, find the number of values above average in two randomly generated arrays.

  4.  Develop two functions:
    a. a function that returns the index of the maximum value in an array of integers passed by a caller, the caller prints the returned index and the value at that index
    b. a function that returns the index of the alphabetically first value in an array of strings, the caller prints the returned index and the value at that inde Develop two functions:
    a. a function that swaps the alphabetically first value in an array of Strings with the first value in the array. Call this function twice on two different arrays of Strings; in the caller, use the function written for #2b to display the arrays before and after the swaps.
    b. a function that swaps the maximum value in an integer array with the last value in the array. Call this function twice on two different arrays of integers; in the caller, use the function written for #2a to display the arrays before and after the swaps.

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