Core java, spring, design patterns
Sr Java Developer Interview Questions
5,300 sr java developer interview questions shared by candidates
How could you make your code process faster?
The basic question of almost every interview- walk me through your resume and your previous work. Other questions were based on topics such as: runtime and compile-time polymorphism, OOPS concepts, exception hierarchy, shallow and deep cloning, and multi-threading. The other question was to guess the output of the program.
Questions: Explain some use cases of the Java Spring framework. On what technologies have you worked? What do you know about the Java project in Publicis Sapient? Why do you want to join Publicis Sapient? How much salary hike you are expecting? How can you justify this much hike? Will you be able to handle a team of 5 people?
Can strategy design pattern be used along with Java collections?
1. How do you override default properties in Spring Boot project? 2. Which embedded containers are supported by Spring Boot? 3. What is the difference between Runnable and Callable interfaces?
2. Describe the conditions for Deadlock, Livelock and Starvation
1. Describe the purpose and use cases of Fork/Join Framework
What can you tell about Java Microservice API? How is it different while working with Big Data? Is Singleton from Spring Container thread-safe?
1. Core Java concepts in detail 2. Data structure and algorithms 3. Java Microservices, REST API and RESTful API 4. Concurrency 5. Spring Boot framework
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