Many other questions on hdfs, MR, yarn, pig, zookeeper, spark, memory management, yarn, 3-4 scala programming questions.
Big Data Developer Interview Questions
1,784 big data developer interview questions shared by candidates
Spark in depth architecture with memory management
Project flow with in-depth architecture of all hadoop components
Different commands on different tools. Project that includes programming, sql and Linux knowledge
Deep dive into the architecture of hadoop and hive
They given one scenario and asked me which machine learning is suitable for given scenario?
2 technical round interviews+ HR discussion, interviews were more on python than big data, felt like appearing for the python developer position. OOPS concepts, develop python program to demonstrate OOPS concepts
Hexaware doesn't know how to interview folks for Big data Projects
What is the Java Memory Model (JMM), and why is it important? Answer: JMM defines how threads in Java interact with memory, ensuring proper visibility of shared data and preventing data races. 4. What is the purpose of the volatile keyword in Java? Answer: volatile is used to indicate that a variable's value may be changed by multiple threads simultaneously and ensures visibility of changes. 5. What are lambda expressions in Java, and how are they used? Answer: Lambda expressions provide a concise way to define anonymous functions and are used mainly for functional programming and the Stream API. 6. What is the difference between composition and inheritance in Java? Answer: Composition is a design principle where one class contains an instance of another class, while inheritance is an "is-a" relationship between classes. 7. What is the Java Collections Framework, and why is it important? Answer: The Collections Framework provides classes and interfaces for working with collections of objects, offering reusable data structures and algorithms.
Soft and some hard skills to test
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