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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. import java.util.Scanner;
  8.  
  9. class numbersAssignment {
  10.  
  11.     static int numberOne = 0;
  12.     static int numberTwo = 0;
  13.     static int numberThree = 0;
  14.     static int largest = 0;
  15.     static int smallest = 0;
  16.     static int product1 = 0;
  17.     static int sum = 0;
  18.     static int average = 0;
  19.     static boolean numbersDiffer = false;
  20.     static int doItAgain = 1;
  21.     static Scanner input = new Scanner(System.in);
  22.  
  23.     public static void main(String[] args) {
  24.  
  25.  
  26.         while (doItAgain != 0) {
  27. 			numbersDiffer = false;
  28.             while (numbersDiffer != true) {
  29.  
  30.                 numberOne = getNumber();
  31.                 numberTwo = getNumber();
  32.                 numberThree = getNumber();
  33.                 if (verifyDiff(numberOne, numberTwo, numberThree)) {
  34.                     calcPrintNumbers(numberOne, numberTwo, numberThree);
  35.                     numbersDiffer = true;
  36.                 }
  37.  
  38.  
  39.             }
  40.             //where it all goes wrong - doAgain() stuck...
  41.             doItAgain = (doAgain());
  42.  
  43.         } 
  44.  
  45.     }//main
  46.  
  47.  
  48.      /*
  49.      ******************************************************************************
  50.      * getNumber:                                                                 *
  51.      *    This method will ask the user for the number that is to be used in the  *
  52.      *    program. All numbers MUST BE INTEGERS, and must use DIFFERENT values.   *                                   *
  53.      ******************************************************************************/     
  54.           public static int getNumber()
  55.          {
  56.                 int number = 0;   
  57.  
  58.  
  59.                 boolean done = false;
  60.                 while (done != true) {
  61.                     try {
  62.                         System.out.println("Please enter a UNIQUE integer for the program ===>   ");
  63.                         number = input.nextInt();
  64.                         if (number <= 0){
  65.                             throw new NumberFormatException();
  66.                         }
  67.                         done = true;
  68.                     }//try
  69.                     catch (Exception message) {
  70.                         input.nextLine();
  71.                         System.out.println("Bad input, retry");
  72.                     }//catch
  73.  
  74.                 }//while
  75.                 return number;
  76.  
  77.          }//getNumber
  78.  
  79.      /*
  80.      ******************************************************************************
  81.      * calcPrintNumbers:                                                          *
  82.      *     This method will recieve the three user input variables. The program   *
  83.      *     will then calculate and print, the SUM,AVERAGE,PRODUCT,LARGEST, as well*
  84.      *     as the SMALLEST of the three numbers. It will then print the results,  *
  85.      *     AS WELL AS THE VALUES STORED IN THE THREE VARIABLES.                   *        
  86.      ******************************************************************************/           
  87.           public static void calcPrintNumbers(int numberOne, int numberTwo, int numberThree)
  88.          {
  89.               System.out.println("The smallest number is: " + Math.min(numberOne, Math.min(numberTwo, numberThree)));
  90.               System.out.println("The largest number is: " + Math.max(numberOne, Math.max(numberTwo, numberThree)));
  91.               System.out.println("The average is: " + ((numberOne + numberTwo + numberThree) /3));
  92.               System.out.println("The product is: " + Math.multiplyExact(numberOne, Math.multiplyExact(numberTwo, numberThree)) );
  93.               System.out.println("The sum is: " + (numberOne + numberTwo + numberThree));
  94.  
  95.  
  96.          }//End of the calcSumPrint method         
  97.      /*
  98.      *******************************************************************************
  99.      * doAgain:                                                                  *
  100.      *    This method will NOT receive incoming data, but it will it will          *
  101.      *    ask for, verify, and return the users choice of whether to continue the  *
  102.      *    program or not. The code looks for a choice of 1 to end the program,     *
  103.      *    ANY OTHER INTEGER will continue to run the program.                      *
  104.       ******************************************************************************/
  105.            public static int doAgain()
  106.          {
  107.                int usersChoice = 0;
  108.                System.out.println("Enter '0' to quit, or '1' to run again: ");
  109.                usersChoice = input.nextInt();
  110.                return usersChoice;  
  111.          }//End of the getChoice method         
  112.      /*
  113.      *******************************************************************************
  114.      * verifyDiff:                                                                 *
  115.      *    This method accepts the three variable as arguments. It then compares all*                     *
  116.      *    three to see if any values are the same. If they ARE, the method returns *
  117.      *    a false, if all three variable are NOT the same, the method returns true.*
  118.      *******************************************************************************/ 
  119.      public static boolean verifyDiff(int numberOne, int numberTwo, int numberThree)
  120.          {
  121.           boolean allDiff = false;            
  122.            if(numberOne != numberTwo && numberOne != numberThree && numberTwo != numberThree)
  123.                allDiff = true;      
  124.            else {
  125.                System.out.println("You tried to use a duplicate number, try again: ");
  126.            }
  127.           return allDiff;
  128.          }//End of the getChoice method        
  129.  
  130.  
  131. }
Success #stdin #stdout 0.15s 321024KB
comments (?)
stdin 
2
3
4
1
6
7
8
0
stdout 
Please enter a UNIQUE integer for the program ===>   
Please enter a UNIQUE integer for the program ===>   
Please enter a UNIQUE integer for the program ===>   
The smallest number is: 2
The largest number is: 4
The average is: 3
The product is: 24
The sum is: 9
Enter '0' to quit, or '1' to run again: 
Please enter a UNIQUE integer for the program ===>   
Please enter a UNIQUE integer for the program ===>   
Please enter a UNIQUE integer for the program ===>   
The smallest number is: 6
The largest number is: 8
The average is: 7
The product is: 336
The sum is: 21
Enter '0' to quit, or '1' to run again:
https://ideone.com/HGGbkU
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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