Given a variable n that is associated with a positive integer and a variable s that is associated with the empty string, write some statements that use a while loop to associate s with a string consisting of exactly n asterisks (*) . (so if n were associated with 6 then s would, in the end, be associated with "" .

//Scanner class is imported to allow the program receive user input

import java.util.Scanner;

//Class Solution is created

public class Solution {

   // The main method which is the beginning of program execution

   public static void main(String args[]) {

       //Scanner object 'scan' is created to accepted user input from the keyboard

       Scanner scan = new Scanner(System.in);

       //A prompt is displayed to the user to enter a positive number

       System.out.println("Please enter a positive number: ");

       //User input is stored as variable n

       int n = scan.nextInt();

       // An empty string is assigned to s

       String s = "";

       // Beginning of while loop

       // The loop begin while n is a positive number

       while(n > 0){

           //s is concatenated with *

           s+= "*";

           // the value of n is reduced.

           n--;

       }

       // The value of the string s is displayed to the screen

       System.out.println(s);

   }

}

Explanation:

First the Scanner class is imported, then the class Solution is created. Inside the main method, a prompt is first displayed to the user to enter a positive number. After that, a scanner object scan is created to receive the user input and assigned to n. An empty string is assigned to s.

Then the while loop repeat for each value of n greater than 0 and concatenate "*" to s.

Finally, the value of s is displayed to the user.

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explanation:

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