number3.java

pt1

import java.util.Scanner;
public class numberThree {
    public static void main(String[] args) {

        //(3) Re-do question 1 c & d using WHILE loops.
        //(a) 1(c) Allow a user to enter 5 numbers and print the lowest value and how many numbers are between 75 and 100.

        Scanner input = new Scanner (System.in);

        int num, num_count = 0, lowest_num = 101;

        System.out.println("Please enter a number: ");
        num = input.nextInt();

        while (num != 0) {
            System.out.println("Please enter a number: ");
            num = input.nextInt();

            if(num < lowest_num) {
                lowest_num = num;
            }

            if(num >= 75 && num <= 100) {
                num_count++;
            }
        }
        System.out.println("Lowest value: " +lowest_num);
        System.out.println("Numbers between 75 and 100: " +num_count);
    }
}

pt2

import java.util.Scanner;
public class numberThree2 {
    public static void main(String[] args) {

        //(3)(b) Allow a user to enter 10 numbers and print highest number entered and the average of the numbers.

        Scanner input = new Scanner (System.in);

        double num, num_count = 0, sum = 0, ave, highest_num = -1;

        System.out.println("Please enter a number: ");
        num = input.nextDouble();

        while(num != 0) {
            System.out.println("Please enter a number: ");
            num = input.nextDouble();

            num_count++;

            sum += num;

            if(num > highest_num) {
                highest_num = num;
            }
        }
        ave = sum / num_count;

        System.out.println("Average: " +ave);
        System.out.println("Highest value: " +highest_num);
    }
}