1. What is polymorphism in Java?
  2. What is abstraction in Java?
  3. Abstraction vs. Encapsulation?
  4. Difference between Interfaces and Abstract Classes?
  5. How to create a immutable object in Java? Count all benefits?
  6. Is Java Pass by Reference or Pass by Value?
  7. What do you understand by Java?
  8. Outline the major Java features.
  9. What is a class in Java?
  10. Differentiate between JDK, JRE, and JVM.
  11. Define inheritance.
  12. Explain method overloading.
  13. Compare overloading with overriding.

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