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Bitwise operations on Integers

/ Published in: C#
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  1. //Bitwise Operations
  2.  
  3. //Turn a bit on
  4. int startVal = 4;                 //100 
  5. int bitVal = 2;                   //010
  6. int newVal = startVal | bitVal;   //110 (6) 
  7. //Alternatively
  8. startVal |= bitVal; 
  9.  
  10. //Turn a bit off
  11. int startVal = 7;                 //111 
  12. int bitVal = 5;                   //101
  13. int newVal = startVal & bitVal;   //101 (5) 
  14. //Alternatively
  15. startVal &= bitVal; 
  16.  
  17.  
  18. //Query bit status
  19. int startVal = 6;                 //110  
  20. int bitVal = 4;                   //100
  21. int newVal = startVal & bitVal;   //100 
  22. if(newVal != 0)
  23. {
  24.   //Bit was on.  
  25. }
  26.  
  27. int startVal = 6;                 //110  
  28. int bitVal = 1;                   //001
  29. int newVal = startVal & bitVal;   //000 
  30. if(newVal == 0)
  31. {
  32.   //Bit was off.  
  33. }

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