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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. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.     public static void main (String[] args) throws java.lang.Exception
  11.     {
  12.         Scanner input = new Scanner(System.in);
  13.         int[] numbers = new int [5];
  14.         int count = 0; // unique numbers read
  15.  
  16.         while (count < numbers.length)
  17.         {
  18.             System.out.print("Enter number: ");
  19.             int number = input.nextInt();
  20.  
  21.             if (number >= 10 && number <= 100)
  22.             {
  23.                 boolean containsNumber = false;
  24.  
  25.                 for (int a = 0; a < numbers.length; a++)
  26.                 {
  27.                     if (numbers[a] == number)
  28.                     {
  29.                         containsNumber = true;
  30.                         break;
  31.                     }
  32.                 }                 
  33.  
  34.                 if (!containsNumber)
  35.                 {
  36.                 	numbers[count] = number;
  37.                     count++;
  38.  
  39.                     System.out.printf("%d\n",number);
  40.                 }
  41.                 else
  42.                 {
  43.                     System.out.printf("%d has already been entered\n", number);
  44.                 }
  45.             }
  46.             else 
  47.             {
  48.             	System.out.println("number must be between 10 and 100");
  49.             }
  50.  
  51.             for (int i = 0; i < count; i++)
  52.             {
  53.                 System.out.printf("   %d\n", numbers[i]);
  54.             }
  55.         }
  56.     }
  57. }
Success #stdin #stdout 0.11s 380672KB
comments ()
stdin
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11
85
26
11
12
99
stdout
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Enter number: 11
   11
Enter number: 85
   11
   85
Enter number: 26
   11
   85
   26
Enter number: 11 has already been entered
   11
   85
   26
Enter number: 12
   11
   85
   26
   12
Enter number: 99
   11
   85
   26
   12
   99
https://ideone.com/s6pmGC
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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