𝐓𝐨𝐩 50 𝐉𝐚𝐯𝐚 8 𝐈𝐧𝐭𝐞𝐫𝐯𝐢𝐞𝐰 𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧𝐬✅ ⭐️ What are the key features introduced in Java 8? ⭐️ Explain what a functional interface is in Java 8. ⭐️ How do Lambda Expressions work in Java 8? ⭐️ What is the Stream API in Java 8, and why is it useful? ⭐️ How can you create a stream in Java 8? ⭐️ What is the difference between map() and flatMap() in streams? ⭐️ How does filter() work in the Stream API? ⭐️ What are default methods in Java 8? ⭐️ What are the differences between a default method and a static method in an interface? ⭐️ Can you override default methods in Java 8? ⭐️ What are method references in Java 8? ⭐️ How do you sort a list using streams in Java 8? ⭐️ What are Optional classes in Java 8, and how do you use them? ⭐️ Resource Credits to NS ⭐️ How does the forEach() method work in Java 8? ⭐️ What is the purpose of the new Date and Time API in Java 8? ⭐️ What is the difference between java.util.Date and the new java.time package? ⭐️ Explain the purpose of Collectors in Java 8 streams. ⭐️ How can you use the reduce() method in streams? ⭐️ What are the benefits of using functional interfaces like Predicate, Function, and Consumer in Java 8? ⭐️ What is the role of the CompletableFuture class in Java 8? ⭐️ How does parallelStream() differ from stream() in Java 8? ⭐️ Explain the difference between findFirst() and findAny() in streams. ⭐️ What are the changes to the HashMap implementation in Java 8? ⭐️ How does the Optional.orElse() method work? ⭐️ Can you use Lambda Expressions with exceptions? How? ⭐️This content is copied from NEXUS Swarm ⭐️ What are the limitations of Lambda Expressions? ⭐️ How do you use Predicate chaining in Java 8? ⭐️ What are the new methods added to java.util.Arrays in Java 8? ⭐️ How does the Stream.sorted() method work? ⭐️ Can a functional interface contain multiple abstract methods? Why or why not? ⭐️ What is the difference between limit() and skip() in streams? ⭐️ How does Java 8 handle backward compatibility with older versions? ⭐️ Can you explain the BiFunction interface in Java 8? ⭐️ How do you iterate over a map using Lambda Expressions in Java 8? ⭐️ What is the difference between Collectors.toList() and Collectors.toSet()? ⭐️ What are the benefits of using the Optional class over traditional null checks? ⭐️ How does the peek() method work in streams? ⭐️ What is the purpose of the toMap() collector in Java 8? ⭐️ How does Java 8 handle functional programming? ⭐️ What are the best practices for using Java 8 features? ⭐️ What are parallel streams in Java 8? ⭐️ How do parallel streams differ from sequential streams? ⭐️ How can you create a parallel stream in Java 8? ⭐️ What are the advantages of using parallel streams? ⭐️ What are the potential drawbacks of using parallel streams? ⭐️ How does the ForkJoinPool relate to parallel streams in Java 8? ⭐️ How does reduce() work in parallel streams? ⭐️ What is the role of Spliterator in parallel streams? ⭐️ What is the difference between forEach() and forEachOrdered() in parallel streams? ⭐️ Are there any scenarios where parallel streams can degrade performance? Make sure to scroll through the above messages you will definitely find more interesting things 🤠 React ❤️ for more..!