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6,015 java senior interview questions shared by candidates

Pretty basic things. Mostly memorized theoretical questions. If you memorized this topics you will probably pass the interview: Java interview questions. Spring interview questions. Hibernate interview questions. Java 8 > new features. SOLID, Design patterns. Agile, Microservice, unit testing. I didn't like their interview because They didn't ask any data structure or time complexity. They didn't focus on system design They focused on Spring annotations. Bean scope, bean lifecycle etc. Which is not good sign for me.
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Senior Java Developer

Interviewed at Zartis

4.5★
Apr 8, 2022

Pretty basic things. Mostly memorized theoretical questions. If you memorized this topics you will probably pass the interview: Java interview questions. Spring interview questions. Hibernate interview questions. Java 8 > new features. SOLID, Design patterns. Agile, Microservice, unit testing. I didn't like their interview because They didn't ask any data structure or time complexity. They didn't focus on system design They focused on Spring annotations. Bean scope, bean lifecycle etc. Which is not good sign for me.

I got all type of questions where at that point in time where aroung reactive programming and webflux. Currently if hiring will open again the concentration of the question would be classical multithreading/concurrency, usage of virtual threads in java, applying SOLID principles, unit | functional | integration testing all of them against the code you delivered in the second phase.
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Senior Java Developer

Interviewed at Travix International

3.4★
Mar 18, 2025

I got all type of questions where at that point in time where aroung reactive programming and webflux. Currently if hiring will open again the concentration of the question would be classical multithreading/concurrency, usage of virtual threads in java, applying SOLID principles, unit | functional | integration testing all of them against the code you delivered in the second phase.

Round 1 - Telephonic 1.1 What's new with Interfaces in Java 8? 1.2 Immutable classes and Singleton design pattern - Lazy and early initialization 1.3 Logical questions on Abstract class and Interface 1.4 Reflection API in Java Round 2 - Skype 2.1 Questions on actual work experience 2.2 Share screen, open IDE and write a program which implements LRU cache without using LinkedHashMap.
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Senior Java Developer

Interviewed at Globant

3.6★
Jan 5, 2018

Round 1 - Telephonic 1.1 What's new with Interfaces in Java 8? 1.2 Immutable classes and Singleton design pattern - Lazy and early initialization 1.3 Logical questions on Abstract class and Interface 1.4 Reflection API in Java Round 2 - Skype 2.1 Questions on actual work experience 2.2 Share screen, open IDE and write a program which implements LRU cache without using LinkedHashMap.

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