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Senior Java Developer Interview Questions

"Senior developers have years of experience in Java and have the knowledge and communication skills to mentor other developers. Companies prioritize strong technical skills and questions will focus on problem solving and critical thinking. A bachelor's degree in computer science or a related field, along with years of industry experience are standard."

5,290 senior java developer interview questions shared by candidates

Since I was applying for Full Stack Developer, questions were asked from all domains. From pure Java coding to data structures, HTML and SQL database mapping to user interface and website development.
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Senior Associate L1- Full Stack Java Developer

Interviewed at Publicis Sapient

3.4★
Apr 5, 2021

Since I was applying for Full Stack Developer, questions were asked from all domains. From pure Java coding to data structures, HTML and SQL database mapping to user interface and website development.

1) Data structure used in java like ArrayLIst,LinkedList,Set,Map 2) internal working of hashmap-> interviewer is not aware hashmap improvements, he is like why hashmap is converting in Tree, this is not possible. 3) Diff between ArrayList and LinkedList 4) Diff between Controller and RestController 6) If You are not aware of completablefuture that means you are week in threading. according to interviewer. 7) Interview Asked if sudden in your microservice load is increase how you handle it 8) scenario based Question from project.
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Senior Java Developer

Interviewed at FCI CCM

4.6★
Oct 29, 2024

1) Data structure used in java like ArrayLIst,LinkedList,Set,Map 2) internal working of hashmap-> interviewer is not aware hashmap improvements, he is like why hashmap is converting in Tree, this is not possible. 3) Diff between ArrayList and LinkedList 4) Diff between Controller and RestController 6) If You are not aware of completablefuture that means you are week in threading. according to interviewer. 7) Interview Asked if sudden in your microservice load is increase how you handle it 8) scenario based Question from project.

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