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Senior Java Developer Tech Lead Interview Questions

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Basic quetions related java What is protected What is inheritance which Collection you used How we can use custom class of object in Map write a hashCode method iterate map using stream API Quetions about main What is @SpringBootAnnotation What is @Configuration What is use of @Quilifer write actual use case of qualifer and some programs
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Senior Java Developer

Interviewed at Synechron

4.1★
Jul 12, 2023

Basic quetions related java What is protected What is inheritance which Collection you used How we can use custom class of object in Map write a hashCode method iterate map using stream API Quetions about main What is @SpringBootAnnotation What is @Configuration What is use of @Quilifer write actual use case of qualifer and some programs

Write some concurrent code. How could we implement this using Java concurrency mechanisms? Using database locking mechanisms? What if we change transaction isolation level? What are the benefits and the downsides of each approach?
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Senior Java Developer

Interviewed at Revolut

4★
Mar 25, 2021

Write some concurrent code. How could we implement this using Java concurrency mechanisms? Using database locking mechanisms? What if we change transaction isolation level? What are the benefits and the downsides of each approach?

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