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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."

5,284 senior java developer interview questions shared by candidates

What is an interface? What is an abstract class? Is an abstract class and an interface the same? What does the SpringBootApplication annotation do? Other very basic questions about Java and Spring Boot. Do you have a degree? Which one? Are you willing to relocate from Mexico to the US?
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Senior Java Developer

Interviewed at Epikso

3.5★
Feb 1, 2023

What is an interface? What is an abstract class? Is an abstract class and an interface the same? What does the SpringBootApplication annotation do? Other very basic questions about Java and Spring Boot. Do you have a degree? Which one? Are you willing to relocate from Mexico to the US?

1st round: few basic Java questions & code to merge 2 arrays. 2nd round: Design Car Parkinglot system & seems interviewer was not sure what he wanted to see & agreed to make it monolithic. Then he asked me to design URL Shortener & for that too he agreed for monolithic. He didn't ask any question for any design. 3rd round: The Director was also about to ask for Car Parking system & I told him that same question was asked in previous round. So he asked me to show the same & explain what it is doing. Then he asked questions it is not having pricing. Design its DB schema. Then how will I be able to provide him the profit report via my design. He said that my design is not able to handle the concurrent requests, it is not microservice based but a monolith & that is bad. Fun fact:- These people expect you to design a good microservices based application within 30 mins, but they would have designed bad monolithic ways after wasting many days & now looking someone to clean that m*ss without accepting their fault.
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Senior Java Developer

Interviewed at Foraysoft

3.3★
Sep 1, 2023

1st round: few basic Java questions & code to merge 2 arrays. 2nd round: Design Car Parkinglot system & seems interviewer was not sure what he wanted to see & agreed to make it monolithic. Then he asked me to design URL Shortener & for that too he agreed for monolithic. He didn't ask any question for any design. 3rd round: The Director was also about to ask for Car Parking system & I told him that same question was asked in previous round. So he asked me to show the same & explain what it is doing. Then he asked questions it is not having pricing. Design its DB schema. Then how will I be able to provide him the profit report via my design. He said that my design is not able to handle the concurrent requests, it is not microservice based but a monolith & that is bad. Fun fact:- These people expect you to design a good microservices based application within 30 mins, but they would have designed bad monolithic ways after wasting many days & now looking someone to clean that m*ss without accepting their fault.

An aging novelist, seeking to combat writer's block, brings his typewriter aboard a canoe that is floating in the middle of his swimming pool. Fortunately the novelist strikes on a great idea, but unfortunately in his excitement he knocks the typewriter off the canoe and it sinks to the bottom of the pool. What happens to the water level on the side of the pool?
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Senior Java Developer

Interviewed at Acuitus

4.4★
Apr 6, 2010

An aging novelist, seeking to combat writer's block, brings his typewriter aboard a canoe that is floating in the middle of his swimming pool. Fortunately the novelist strikes on a great idea, but unfortunately in his excitement he knocks the typewriter off the canoe and it sinks to the bottom of the pool. What happens to the water level on the side of the pool?

The questions of the 3 leads are acceptable. They are verifying my knowledge and experiences based on sample scenarios However, one software developer (indian guy) asked me this questions: What is the difference between final, finally and finalize? What are the different http status codes?
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Senior Java Developer Lead

Interviewed at CardConnect

3.9★
Jul 17, 2019

The questions of the 3 leads are acceptable. They are verifying my knowledge and experiences based on sample scenarios However, one software developer (indian guy) asked me this questions: What is the difference between final, finally and finalize? What are the different http status codes?

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