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Software Engineer Java Developer Interview Questions
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The technical round of the HCL interview for a Java developer role covered a range of topics, including: Core Java Handling and types of exceptions Threads and multithreading Core OOP concepts Discussion on whether Java is 100% object-oriented Process of memory allocation during object creation Collections Framework: Concepts and practical usage SQL: Focused on joins Tools Git for version control Maven for project management and build automation
OOPS concepts Strings DSA question
Typical Java, Java8 and spring boot questions and some features of Java15. Questions based on background and previous projects but nothing out of ordinary.
1. What are Lambda Expressions? 2. Read a list and print odd numbers using lambda. 3. Function Interface 4. Serialisation 5. Rest api creation process 6. Change server port in spring boot. 7. Transient keyword
Explain JVM, Spring IOC, advantages of spring boot, and core Java questions
spring boot annotations
Basic of java, Spring, Sql and from resume
Oops concepts
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