Fullstack Developer Interview Questions

4,001 fullstack developer interview questions shared by candidates

Classic interview questions: why this company, what are you looking for. Technical questions: every possible detail about the architecture of the application I work on and my way of working; Coding challenge: 30 minutes time limit live coding. The question was writing a simple function that can parse different currency formats into a number (e.g.: € 1000.000,00 or € 1000,000.00)
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Fullstack Developer

Interviewed at AND Digital

2.8
Jul 11, 2022

Classic interview questions: why this company, what are you looking for. Technical questions: every possible detail about the architecture of the application I work on and my way of working; Coding challenge: 30 minutes time limit live coding. The question was writing a simple function that can parse different currency formats into a number (e.g.: € 1000.000,00 or € 1000,000.00)

Core Java- use of streams in java What happens if I try to access a variable(which is declared outside) inside a .forEach block? Is it possible? Yes/no -Why? Hashmap vs concurrent hashmap and it’s workings. How many threads can access a concurrent hashmap at a time? Is it possible to modify a array-list while iterating it? Is there a way to do it? Some coding questions on overriding and exception handling concepts
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Java Fullstack/Microservices Developer

Interviewed at Capgemini

4.2
Jan 14, 2021

Core Java- use of streams in java What happens if I try to access a variable(which is declared outside) inside a .forEach block? Is it possible? Yes/no -Why? Hashmap vs concurrent hashmap and it’s workings. How many threads can access a concurrent hashmap at a time? Is it possible to modify a array-list while iterating it? Is there a way to do it? Some coding questions on overriding and exception handling concepts

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