methods and arrays.java

//class work
import java.util.Scanner; //importing scanner
public class number5And6 { //program begins
    public static void main(String[] args) { //main

        Scanner input = new Scanner (System.in); //scanner declaration

        int [] arr = new int [5]; //int array declaration

        for (int i=0; i<arr.length; i++) { //for loop to initialize the variables within the array

            System.out.println("Enter a number: ");
            arr[i] = input.nextInt();

        } //for loop ends

        cubeArray(arr); //calls the method to change the data within array

        for(int i=0; i<arr.length; i++) { //for loop to print the updated values
            System.out.printf("Cubed values: %d\n", arr[i]);
        } //for loop ends


        //output statement for the average of the array
        System.out.println("The average of the array is: " +average(arr));

    } //main method

    //method called cubeArray, takes on an argument which is an array and changes the values within the array to its cubed equivalent
    public static void cubeArray(int [] cube) {
        for(int j=0; j<cube.length; j++) {
            cube[j] = cube[j] * cube[j] * cube[j];
        }
    } //method cubeArray ends



    //method called average, adds all the values in the array and finds the average
    public static int average(int [] array) {
        int average = 0, sum = 0; //variable declaration

        for(int k=0; k<array.length; k++) {
            //finding the sum of the array
            sum+=array[k];
        }
        //finding the average of the array
        average = sum / array.length;

        return average;
    } //method average ends
} //program ends