Java Full Stack Developer Interview Questions

964 java full stack developer interview questions shared by candidates

1. Architecture of latest project that i worked (keep it crisp and clean) 2. Sql problem statement 3. To define a java class to remove duplicate data with respect to users preferably like collections and string something like set 4. Core concepts of agile, git commands Good to have knowledge on data structures but not mandator
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Full Stack Java Developer

Interviewed at Deloitte

3.8
Feb 27, 2025

1. Architecture of latest project that i worked (keep it crisp and clean) 2. Sql problem statement 3. To define a java class to remove duplicate data with respect to users preferably like collections and string something like set 4. Core concepts of agile, git commands Good to have knowledge on data structures but not mandator

Consisted 4 rounds 1st round on paper consisted mcqs and theory question and a coding question 2nd round 3 Sql queries 3 rd round face to face interview regarding concepts of java, oops 4 th round on Springboot task based and theoretical questioning of each command
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Full Stack Java Developer

Interviewed at Inspiron Labs

3.4
Nov 15, 2025

Consisted 4 rounds 1st round on paper consisted mcqs and theory question and a coding question 2nd round 3 Sql queries 3 rd round face to face interview regarding concepts of java, oops 4 th round on Springboot task based and theoretical questioning of each command

Java Side: 1. Difference between RequestMapping and other Mappings? 2. Java 8 features 3. One small technical problem (String manipulation) 4. Qualifier annotation 5. Why notify, notifyAll, wait are outside functions in thread. etc React Side: 1. Lifecycle 2. Hooks 3. Keys 4. Mapping 5. Controlled and uncontrolled components etc The interview was like this. Only they are asking what's in the book.
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Java Full Stack Developer

Interviewed at Tech Mahindra

3.4
Oct 2, 2025

Java Side: 1. Difference between RequestMapping and other Mappings? 2. Java 8 features 3. One small technical problem (String manipulation) 4. Qualifier annotation 5. Why notify, notifyAll, wait are outside functions in thread. etc React Side: 1. Lifecycle 2. Hooks 3. Keys 4. Mapping 5. Controlled and uncontrolled components etc The interview was like this. Only they are asking what's in the book.

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