interface 447

  1. What is the difference between an interface and abstract class?
  2. Interface vs Abstract Class (general OO)
  3. How do you declare an interface in C++?
  4. Interface vs Base class
  5. What does it mean to “program to an interface”?
  6. C# Interfaces. Implicit implementation versus Explicit implementation
  7. Implements vs extends: When to use? What's the difference?
  8. Interface defining a constructor signature?
  9. How to determine if a type implements an interface with C# reflection
  10. Type List vs type ArrayList in Java
  11. Difference between abstract class and interface in Python
  12. Why can't I define a static method in a Java interface?
  13. The difference between the Runnable and Callable interfaces in Java
  14. How should I have explained the difference between an Interface and an Abstract class?
  15. Should we @Override an interface's method implementation?
  16. When to use an interface instead of an abstract class and vice versa?
  17. Interface with default methods vs Abstract class in Java 8
  18. Why are C# 4 optional parameters defined on interface not enforced on implementing class?
  19. Test if object implements interface
  20. Interface naming in Java
  21. Should methods in a Java interface be declared with or without a public access modifier?
  22. Traits vs. Interfaces
  23. Interface or an Abstract Class: which one to use?
  24. Why would a static nested interface be used in Java?
  25. Abstract class in Java
  26. C# interfaces - What's the point?
  27. Why are interface variables static and final by default?
  28. What's the difference between interface and @interface in java?
  29. Java Pass Method as Parameter
  30. What is the point of interfaces in PHP?
  31. How will I know when to create an interface?
  32. Java abstract interface
  33. Multiple Inheritance in C#
  34. Final arguments in interface methods - what's the point?
  35. Custom fonts and XML layouts (Android)

  36. How do you find all subclasses of a given class in Java?
  37. Implementing two interfaces in a class with same method. Which interface method is overridden?
  38. Is there more to an interface than having the correct methods
  39. Explicitly calling a default method in Java
  40. Why can't I declare static methods in an interface?
  41. How to make a Java class that implements one interface with two generic types?
  42. Why would one declare a Java interface method as abstract?
  43. How can I use interface as a C# generic type constraint?
  44. Jump into interface implementation in Eclipse IDE
  45. Why does Eclipse complain about @Override on interface methods?
  46. Constructor in an Interface?
  47. Do interfaces inherit from Object class in java
  48. Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”?
  49. Why implement interface explicitly?
  50. C#: Abstract classes need to implement interfaces?