A program that will ask three numbers and then it will compute the sum, average and product of three given numbers using Java programming language.

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Program Listing

import java.util.Scanner;

public class LoopSample {

public static void main(String args[]) {

Scanner input = new Scanner(System.in);
double num1=0.00, num2=0.00, num3=0.00;
double sum=0.00, average=0.00, product=0.00;
char c,ch;
System.out.println("\tSum,Average, and Product of Three Numbers in Java");
System.out.print("Enter First Number: ");
num1 = input.nextInt();

System.out.print("Enter Second Number: ");
num2 = input.nextInt();

System.out.print("Enter Third Number: ");
num3 = input.nextInt();

sum = num1 + num2 + num3;
System.out.println("Sum of these numbers:"+sum);

average = sum / 3;
System.out.println("Average of these number:"+average);

product = num1 * num2 * num3;
System.out.println("Product of these numbers: "+product);

System.out.print("Do you want to continue? Y/N : ");
c = input.next().charAt(0);        

ch = Character.toUpperCase(c);  
}while (ch == 'Y');  

System.out.println("Thank you for using this software.");


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