Interview, Developer, Java, Programmer, Software, IT & Software
Master the most frequently asked Java interview questions and impress your recruiters with confidence. This guide covers core Java concepts, real-world coding scenarios, and tricky problem-solving techniques. Whether you're a fresher or experienced professional, prepare smarter with expert-curated questions and answers designed to help you crack the interview on your very first attempt.
Q1. What is Java? and it is 100% object oriented?
Q2. What is Class and Object in Java?
Q3. What kind of variables are there in Java?
Q4. What is the difference between C++ and Java?
Q5. What are the Java packages used for?
Q6. The static vs instace in Java?
Q7. What is the method overloading and overriding in Java?
Q8. Procedural Oriented Programming Language vs Object Oriented Programming Language.
Q9. How many ways we can create object for the class?
Q10. What static block and instance block in Java?
Q11. What is auto boxing and unboxing in Java?
Q12. What is exception in Java?
Q13. How to handle exceptions in Java?
Q14. How to deal with unknown exceptions in Java?
Q15. How to create custom exceptions in Java?
Q16. How many ways we can create Thread in Java?
Q17. What is the default thread name and priority in Java?
Q18. How to justify by default Java based applications are multithreaded?
Q19. How to reverse a String without using inbuilt methods in a Java?
Q20. How to convert immutable object into mutable object?
Q21. What is transient and volatile keywords in Java?
Q22. What is Array in Java?
Q23. What is collection in Java?
Q24. What is List in collection API?
Q25. What is Set in collection API?
Q26. Map in Java collection API?
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3 months ago
These lectures are really pleasant and make it easy to ace the interview.
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