OOP Interview Questions

Job interviews usually begin with a list of general questions. In OOP, there are many complex concepts that only experienced programmers understand. Here are some examples of questions you may get asked that will demonstrate your basic understanding of OOP:

  • Explain the main concepts of OOP.
  • What does the term “class” mean in OOP?
  • What is the difference between a class and an object?
  • What is a token?
  • What is a destructor?
  • What are the three arguments of a ternary operator?
  • What purpose does the finalize method serve?
  • Define the term “interface.”
  • Explain method overriding.
  • Why is OOP so important?

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