Senior Java Software Engineer Interview Questions

5,575 senior java software engineer interview questions shared by candidates

I was asked to write a function that sums the values of the characters in a given string, where each lowercase letter corresponds to its position in the alphabet (for example, a = 1, b = 2, c = 3, and so on). The function should ignore any characters that are not lowercase letters.
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Senior Java Developer

Interviewed at Peterson Technology Partners

4.3
Apr 23, 2025

I was asked to write a function that sums the values of the characters in a given string, where each lowercase letter corresponds to its position in the alphabet (for example, a = 1, b = 2, c = 3, and so on). The function should ignore any characters that are not lowercase letters.

question in Java8 to find max number why permGen replaced with metaSpace in Java8 what new in Java8 streams, functional interfaces Why we need abstract class when we can define functions in Interface java8 onwards Microservices design patterns- explain CQRS ConcurrentHashMap ExecutorService
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Senior Java Developer

Interviewed at D4 Insight

3.5
Jan 20, 2024

question in Java8 to find max number why permGen replaced with metaSpace in Java8 what new in Java8 streams, functional interfaces Why we need abstract class when we can define functions in Interface java8 onwards Microservices design patterns- explain CQRS ConcurrentHashMap ExecutorService

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