Java 8 Interview Questions: Ultimate Guide to Ace Your Next Job Interview

Java 8 Interview Questions

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Java 8 Interview Questions

• 1. Introduction

2. Core Java 8 Features

• 1. Lambda Expressions
• 2. Functional Interfaces
• 3. Streams API
• 4. Optional Class
• 5. Default and Static Methods in Interfaces
• 6. New Date and Time API (java.time)
• 7. Method References
• 12. Practical Coding Questions
• 9. Parallel Streams
• In Conclusion

3. Interview Questions on Lambdas and Functional Interfaces

• 1. What is a lambda expression in Java 8?
• 2. What are the main components of a lambda expression?
• 3. What is a functional interface?
• 4. How do you use a lambda expression with a functional interface?
• 5. What is the purpose of the @FunctionalInterface annotation?
• 6. What are some commonly used functional interfaces in Java 8?
• 7. How are lambda expressions related to functional programming?