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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. 		Dog d = new Dog() ;
  13. 		System.out.println( d ) ;
  14. 	}
  15. }
  16.  
  17. class Animal
  18. {
  19. 	Animal() 
  20. 	{
  21. 		super() ;
  22. 		System.out.println( "Animal" ) ;
  23. 	}
  24. }
  25.  
  26. class Mammal extends Animal
  27. {
  28. 	Mammal() 
  29. 	{
  30. 		super() ;
  31. 		System.out.println( "Mammal" ) ;
  32. 	}
  33. }
  34.  
  35. class Canine extends Mammal
  36. {
  37. 	Canine() 
  38. 	{
  39. 		super() ;
  40. 		System.out.println( "Canine" ) ;
  41. 	}
  42. }
  43.  
  44. class Dog extends Canine
  45. {
  46. 	Dog() 
  47. 	{
  48. 		super() ;
  49. 		System.out.println( "Dog" ) ;
  50. 	}
  51. }
Success #stdin #stdout 0.08s 46984KB
comments (?)
stdin 
Standard input is empty
stdout 
Animal
Mammal
Canine
Dog
Dog@452b3a41
https://ideone.com/sbCxj2
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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