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Senior Developer Java Interview Questions

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5,295 senior developer java interview questions shared by candidates

2. Which design pattern you would suggest in a sample question? 3. Calculate the output of the code? 4. Which algorithm will be better if 1 million runs complete daily? Calculate the time complexity. 5. How do I read/convert an InputStream into a String in Java?
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Senior Java Developer

Interviewed at Publicis Sapient

3.4★
Oct 5, 2021

2. Which design pattern you would suggest in a sample question? 3. Calculate the output of the code? 4. Which algorithm will be better if 1 million runs complete daily? Calculate the time complexity. 5. How do I read/convert an InputStream into a String in Java?

1- Recruiter Interview: Introduction, How do you test your code?, Do you have any experience regarding stream processing? 2- Take home assignment: I was supposed to read from an input stream of messages, process them, calculate some statistics and finally write them to an output stream.
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Senior Java Developer

Interviewed at Picnic

3.3★
Dec 3, 2021

1- Recruiter Interview: Introduction, How do you test your code?, Do you have any experience regarding stream processing? 2- Take home assignment: I was supposed to read from an input stream of messages, process them, calculate some statistics and finally write them to an output stream.

1. Multi-threading concepts 2. Data structure questions on tree, graph and queue 3. How do you find the middle element of a singly linked list in one pass? 4. Core Java concepts 5. Messaging Queues 6. Spring Framework 7. Parallel processing 8. Design patterns and their usability 9. Microservices
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Senior Java Developer

Interviewed at Publicis Sapient

3.4★
Aug 27, 2021

1. Multi-threading concepts 2. Data structure questions on tree, graph and queue 3. How do you find the middle element of a singly linked list in one pass? 4. Core Java concepts 5. Messaging Queues 6. Spring Framework 7. Parallel processing 8. Design patterns and their usability 9. Microservices

1. Core Java concepts 2. Data structures 3. Algorithms and their complexity, Time-space complexity 4. Multi-threading, parallel processing 5. Serial stream and other streams 6. Messaging, Queues, 7. Microservices 8. Spring Boot framework
avatar

Senior Java Developer

Interviewed at Publicis Sapient

3.4★
Aug 16, 2021

1. Core Java concepts 2. Data structures 3. Algorithms and their complexity, Time-space complexity 4. Multi-threading, parallel processing 5. Serial stream and other streams 6. Messaging, Queues, 7. Microservices 8. Spring Boot framework

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