Chapter 6, Problem 1PE

a.

Explanation of Solution

Program:

File name: “CountByFives.java”

//Define a class named CountByFives

public class CountByFives

{

    //Define main method

    public static void main(String[] args)

    {

        //For loop that counts by five from 5 through 500

        for(int i = 5 ; i <= 500 ; i+=5)

        {

            //Print the result

            System...

b.

Explanation of Solution

Program:

File name: “CountByAnything.java”

//Import necessary header files

import java.util.Scanner ;

//Define a class CountByAnything

public class CountByAnything

{

    //Define main method

    public static void main(String[] args)

    {

        //Create scanner class

        Scanner sc = new Scanner(System.in);

        //Prompt the user to enter an integer

        System.out.print("Enter an integer:");

        //Get the integer from the user

        int n = sc.nextInt();

        //Declare a variable and initialize the value

        int count = 0 ;

/*For loop that counts by the entered number from 5 through 500*/

>&#...