infinite C# loops - Examples

SUBMITTED BY: emmek

DATE: May 12, 2022, 12:19 a.m.

FORMAT: C#

SIZE: 1.5 kB

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HITS: 7073

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  1. // # An exit condition that’s never reached
  3. byte i = 0;
  5. while (true)
  6. {
  7. // ...
  9. Console.WriteLine($"i = {i}");
  10. i++;
  12. if (i > 275)
  13. {
  14. break;
  15. }
  16. }
  19. // Fixed: loop variable now an integer
  20. int i = 0;
  22. while (true)
  23. {
  24. // ...
  26. Console.WriteLine($"i = {i}");
  27. i++;
  29. if (i > 275)
  30. {
  31. break;
  32. }
  33. }
  37. // # A condition that makes the loop start over and over again
  39. int i = 0;
  41. // Loop 1,000 times at most
  42. while ((i = 1) < 1000)
  43. {
  44. Console.WriteLine($"i = {i}.");
  46. // ...
  48. if (i > 125)
  49. {
  50. break;
  51. }
  52. }
  55. int i = 0;
  57. // Loop 1,000 times at most
  58. while ((i += 1) < 1000)
  59. {
  60. Console.WriteLine($"i = {i}.");
  62. // ...
  64. if (i > 125)
  65. {
  66. break;
  67. }
  68. }
  72. // # Change the loop variable to a new value inside the loop
  74. int i = 0;
  76. while (i < 10)
  77. {
  78. // ...
  80. i = 3;
  82. // ...
  84. Console.WriteLine($"i = {i}");
  85. i++;
  86. }
  89. int i = 0;
  91. while (i < 10)
  92. {
  93. // ...
  95. Console.WriteLine($"i = {i}");
  96. i++;
  97. }
  102. // # A loop without an exit condition
  104. int i = 0;
  106. while (true)
  107. {
  108. Console.WriteLine($"i = {i}");
  109. i++;
  110. }
  114. int i = 0;
  116. // Fixed: add an exit condition to the loop
  117. while (i < 10)
  118. {
  119. Console.WriteLine($"i = {i}");
  120. i++;
  121. }
  124. int i = 0;
  126. while (true)
  127. {
  128. Console.WriteLine($"i = {i}");
  129. i++;
  131. // Fixed: terminate the loop with 'break'
  132. if (i > 9)
  133. {
  134. break;
  135. }
  136. }
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