<h2>
Answer:</h2><h2>
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//import the Random and Scanner classes
import java.util.Random;
import java.util.Scanner;
//Begin class definition
public class ChangeUp {
    
    //Begin the main method
    public static void main(String args[]) {
        //Initialize the empty array of 6 elements
        int [] numbers = new int [6];
        
        //Call to the populateArray method
        populateArray(numbers);
        
        
    } //End of main method
    
    
    //Method to populate the array and print out the populated array
    //Parameter arr is the array to be populated
    public static void populateArray(int [] arr){
        
        //Create object of the Random class to generate the random index
        Random rand = new Random();
        
        //Create object of the Scanner class to read user's inputs
        Scanner input = new Scanner(System.in);
        
        //Initialize a counter variable to control the while loop
        int i = 0;
        
        //Begin the while loop. This loop runs as many times as the number of elements in the array - 6 in this case.
        while(i < arr.length){
            
            //generate random number using the Random object (rand) created above, and store in an int variable (randomNumber)
            int randomNumber = rand.nextInt(6);
        
            //(Optional) Print out a line for formatting purposes
            System.out.println();
            
            //prompt user to enter a value
            System.out.println("Enter a value " + (i + 1));
            
            //Receive the user input using the Scanner object(input) created earlier.
            //Store input in an int variable (inputNumber)
            int inputNumber = input.nextInt();
            
            
            //Store the value entered by the user in the array at the index specified by the random number
            arr[randomNumber] = inputNumber;
            
            
            //increment the counter by 1
            i++;
            
        }
        
        
        //(Optional) Print out a line for formatting purposes
        System.out.println();
        
        //(Optional) Print out a description text
        System.out.println("The populated array is : ");
        
        //Print out the array content using enhanced for loop
        //separating each element by a space
        for(int x: arr){
            System.out.print(x + " ");
        }
    
        
    } //End of populateArray method
    
    
    
} //End of class definition
<h2>
Explanation:</h2>
The code above is written in Java. It contains comments explaining the lines of the code. 
This source code together with a sample output has been attached to this response.
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java
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