Backend Software Engineer Interview Questions

2,346 backend software engineer interview questions shared by candidates

Part 1: Java, Spring Boot, and Database part. Q1 - Define Thread Lifecycle. Q2 - Difference between equals() and ==. Q3 - Can we override static methods? Q4 - Difference between Primary key and Unique key in MySQL. Q5 - Can we enter null values in multiple unique key columns? Q6 - Define the internal working of Indexing in MySQL. Q7 - Code scenarios with static methods.
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Software Engineer, Backend

Interviewed at Kaleidofin

3.4
Apr 30, 2024

Part 1: Java, Spring Boot, and Database part. Q1 - Define Thread Lifecycle. Q2 - Difference between equals() and ==. Q3 - Can we override static methods? Q4 - Difference between Primary key and Unique key in MySQL. Q5 - Can we enter null values in multiple unique key columns? Q6 - Define the internal working of Indexing in MySQL. Q7 - Code scenarios with static methods.

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