Engenheiro De Software Java Interview Questions

3,072 engenheiro de software java interview questions shared by candidates

1. How Java memory works 2. What we get NullPointerException 3. Program to get factorial using iteration and recursion(discussion around edge case writing code etc.) 4. Explain Volatile, Synchronized & AtomicInteger 5. Why use kafka vs SQS 6. Performance optimization

Senior Software Engineer - JAVA

Interviewed at STG Labs

4.5
Jun 8, 2026

1. How Java memory works 2. What we get NullPointerException 3. Program to get factorial using iteration and recursion(discussion around edge case writing code etc.) 4. Explain Volatile, Synchronized & AtomicInteger 5. Why use kafka vs SQS 6. Performance optimization

1. What are the features of Java Programming language? 2. What are the various access specifiers in Java? 3. What are the advantages of Packages in Java? 4. What are the differences between the constructors and methods? 5. What is the final keyword? and uses in different scenarios. 6. What are the two ways of implementing thread in Java? 7. What is the start() and run() method of Thread class? 8. What is the synchronization process? Why use it? 9. What is a package in Java? 10. What are Access modifiers in java?
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Software Engineer - Java Developer

Interviewed at ALT Digital Technologies

4.9
Mar 22, 2023

1. What are the features of Java Programming language? 2. What are the various access specifiers in Java? 3. What are the advantages of Packages in Java? 4. What are the differences between the constructors and methods? 5. What is the final keyword? and uses in different scenarios. 6. What are the two ways of implementing thread in Java? 7. What is the start() and run() method of Thread class? 8. What is the synchronization process? Why use it? 9. What is a package in Java? 10. What are Access modifiers in java?

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