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a guest Mar 20th, 2019 39 Never
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  1. 50  3   21  10  9   9   54  47  24  74
  2. 22  63  63  28  36  47  60  3   45  83
  3. 20  37  11  41  47  89  9   98  40  94
  4. 48  77  93  68  8   19  81  67  80  64
  5. 41  73  24  29  99  6   41  23  23  44
  6. 43  41  29  11  43  94  62  27  81  71
  7. 83  14  97  67  21  68  77  25  21  24
  8. 31  8   54  14  49  96  33  18  14  80
  9. 54  55  53  38  62  53  62  10  42  29
  10. 17  89  92  87  15  42  50  85  68  43
  11.      
  12. import java.io.File;
  13. import java.io.IOException;
  14. import java.util.Scanner;
  15. public class Summer {
  16.     public static void main(String args[]) throws IOException {
  17.  
  18.         File text = new File("src/nums.txt");
  19.  
  20.         if (!text.exists()) {
  21.           text.createNewFile();
  22.         }
  23.  
  24.         int sum = 0;
  25.         Scanner input = new Scanner(text);
  26.         while (input.hasNextInt()) {
  27.             sum = sum + input.nextInt();
  28.  
  29.         }
  30.  
  31.         System.out.printf("Sum of all numbers: %d", sum);
  32.  
  33.  
  34.         int lineSum = 0;
  35.         int lineNum = 1;
  36.  
  37.         while (input.hasNext()) {
  38.             if (input.hasNextInt()) {
  39.                 lineSum = lineSum + input.nextInt();
  40.             } else {
  41.                 input.next();
  42.                 lineNum++;
  43.             }
  44.         }
  45.  
  46.         System.out.printf("%nSum of line %d: %d", lineNum, lineSum);
  47.     }
  48. }
  49.      
  50. Sum of all numbers: 4687
  51. Sum of line 1: 0
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