Write an application that solicits and inputs three integers from the user and then displays the sum, average, product, smallest, and largest of the three numbers. you may use any java input and output method you want, for example the joptionpane class or the scanner class.

Please find below program

Explanation:

import java.util.Scanner;

public class Tester {

public static void main(String[] args) {

 // create an object of scanner class

 Scanner scanner  = new Scanner(System.in);

 //prompt user to enter first number

 System.out.println("Enter first integer: ");

 // read value from entered by user and keep it in num1

 int num1 = scanner.nextInt();

 //prompt user to enter second number

 System.out.println("Enter second integer: ");

 // read value from entered by user and keep it in num2

 int num2 = scanner.nextInt();

 //prompt user to enter third number

 System.out.println("Enter third integer: ");

 // read value from entered by user and keep it in num3

 int num3 = scanner.nextInt();

 //close scanner as we have done with user input

 scanner.close();

 //calculate sum

 int sum = num1+num2+num3;

 //calculate average

 int average = sum/3;

 //calculate product

 int product = num1*num2*num3;

 //find out largest number

 int largest = 0;

 if (num1>=num2){

 if(num1>=num3)

   largest = num1;

 else

   largest = num3;

 }else {

 if(num2>=num3)

   largest = num2;

 else

   largest = num3;

 }

 // find out smallest number

 int smallest = 0;

 if (num1<=num2){

 if(num1<=num3)

   smallest = num1;

 else

   smallest = num3;

 }else {

 if(num2<=num3)

   smallest = num2;

 else

   smallest = num3;

 }

 // print all the information

 System.out.println("Sum of three numbers : "+sum);

 System.out.println("Product of three numbers : "+product);

 System.out.println("Average of three numbers : "+average);

 System.out.println("Smallest number : "+smallest);

 System.out.println("Largest number : "+largest);

}

}

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