program that reads three nonzero value entered by the user and determines and prints sum, product, average, smallest & largest of three.

import java.util.Scanner.*;
import java.util.*;

class UserInput
{
    public static void main(String args[])
    {
      Scanner s =new Scanner(System.in);
      System.out.println("Enter First number :  ");
      int num1=s.nextInt();
      System.out.println("Enter Second number :  ");
      int num2=s.nextInt();
      System.out.println("Enter Third number :  ");
      int num3=s.nextInt();
      int sum =num1+num2+num3;
      System.out.println("Sum  :  "+sum);
      int prod =num1*num2*num3;
      System.out.println("Product  :  "+prod);
      float avg =sum/3;
      System.out.println("Average  :  "+avg);

      if (num1>num2&&num1>num3)
        System.out.println("num1 is greater");
      if (num2>num1&&num2>num3)
        System.out.println("num2 is greater");
      if (num3>num1&&num3>num2)
        System.out.println("num3 is greater");
      if (num1<num2&&num1<num3)
        System.out.println("num1 is smaller");
      if (num2<num1&&num2<num3)
        System.out.println("num2 is smaller");
      if (num3<num1&&num3<num2)
        System.out.println("num3 is smaller");
    }
 }