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Given an array of intergers, find the greatest product of 3 integers within that array and return that product

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  1. 24 May, 17:22
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    Answer & Explanation:

    //written in java

    import java. util. Arrays;

    class Main {

    //this function find the greatest product of 3

    //integers within any array and return that product

    private static int greatestProduct (int[] arr, int length) {

    / / if the size of array is less that 3

    //the method return a value of 0

    if (length < 3) {

    return 0;

    }

    / / the code below sort the array in ascending order

    //multiply the last three, which is the product of the 3

    //greatest value in the array

    Arrays. sort (arr);

    return arr[length - 1] * arr[length - 2] * arr[length - 3];

    }

    / / the main method

    public static void main (String[] args) {

    int[] arr = {5, 3, 4, 2, 8, 10, 1};

    int n = arr. length;

    int product = greatestProduct (arr, n);

    //if the size of array is less than 3

    //greatestProduct (arr, n) return zero

    //and the program print out

    //"Size of array is less than three so product of 3 integers within that array does not exist"

    //else it print the product of the three largest integer in the array

    if (product = = 0)

    System. out. println ("Size of array is less than three/nso product of 3 integers within that array does not exist");

    else

    System. out. println ("Maximum product is " + product);

    }

    }
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