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Technical Lead Java Interview Questions

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601 technical lead java interview questions shared by candidates

- Adavantages of spring boot over spring - scope of spring beans? - How to implement exception handling in spring boot - what is docker? - what is aop? - what is E2C in AWS? - What are advantages of mockito over junit? - how to calculate difference between list of 2 arrays using stream api?
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Lead Java Developer

Interviewed at Accenture

3.7★
May 14, 2024

- Adavantages of spring boot over spring - scope of spring beans? - How to implement exception handling in spring boot - what is docker? - what is aop? - what is E2C in AWS? - What are advantages of mockito over junit? - how to calculate difference between list of 2 arrays using stream api?

Very easy questions but company was clueless about what they wanted. I had all rounds and was also asked whether I am comfortable with the office location, ctc in the last round. After that, there was no communication. It us a waste of time. Obviously, the people at at this company have lot free time to waste. Hence, they don’t respect applicant’s time either.
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Java Technical Lead

Interviewed at Merck KGaA

3.9★
May 26, 2023

Very easy questions but company was clueless about what they wanted. I had all rounds and was also asked whether I am comfortable with the office location, ctc in the last round. After that, there was no communication. It us a waste of time. Obviously, the people at at this company have lot free time to waste. Hence, they don’t respect applicant’s time either.

Online Test: find two largest numbers of integer array. Alphabetically Sort an array of positive integers based on digit spellings. 1:1 Interview: What is ajax call. How would you find the online users on your web application.
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Java Lead

Interviewed at TO THE NEW

3.7★
Nov 22, 2015

Online Test: find two largest numbers of integer array. Alphabetically Sort an array of positive integers based on digit spellings. 1:1 Interview: What is ajax call. How would you find the online users on your web application.

how to enable enable debug mode in springboot app can we modify a msg in kafka msg jpa repository vs jpa template jdbcrepository vs jdbc template Saga design pattern mongo template vs mongo repository immutable classes compararor and comparable solid design principles how to maintain transaction> SAGA scopes in spring bean different annotation on service layer autogeneration id jpa configuration annotations spring dev tool before starting application we want to load something where to implement>@postconstruct on top of init method command line runner using componentscan exclude package
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Java Team Lead

Interviewed at Cognizant

3.9★
May 12, 2025

how to enable enable debug mode in springboot app can we modify a msg in kafka msg jpa repository vs jpa template jdbcrepository vs jdbc template Saga design pattern mongo template vs mongo repository immutable classes compararor and comparable solid design principles how to maintain transaction> SAGA scopes in spring bean different annotation on service layer autogeneration id jpa configuration annotations spring dev tool before starting application we want to load something where to implement>@postconstruct on top of init method command line runner using componentscan exclude package

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