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  1.     private static void CachedAndSameValue()
  2. 	{
  3. 		System.out.println("CachedAndSameValue: \n");
  4. 		Integer a = 2;
  5. 		System.out.println(a);
  6.  
  7. 		Integer b = 2;
  8. 		System.out.println(b);
  9.  
  10. 		// This prints "equal" because 'a' and 'b' are stored in the same Integer instance, and "==" is comparing the references 
  11. 		if(a == b)
  12. 		{
  13. 			System.out.println("equal");
  14. 		}
  15. 		else
  16. 		{
  17. 			System.out.println("not equal");
  18. 		}
  19. 	}
  20.  
  21. 	private static void CachedAndDifferentValue()
  22. 	{
  23. 		System.out.println("CachedAndDifferentValue: \n");
  24. 		Integer a = 2;
  25. 		System.out.println(a);
  26.  
  27. 		Integer b = 3;
  28. 		System.out.println(b);
  29.  
  30. 		// This prings "not equal" - but shouldn't it also print "equal" for the same reason above?
  31. 		if(a == b)
  32. 		{
  33. 			System.out.println("equal");
  34. 		}
  35. 		else
  36. 		{
  37. 			System.out.println("not equal");
  38. 		}
  39. 	}
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https://ideone.com/DAI75m
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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