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Desenvolvedor Java Interview Questions

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Desenvolvedor Java Interview Questions

Prepare-se para responder a perguntas técnicas que testam seu conhecimento básico de Java. Os entrevistadores também podem fazer perguntas abertas para avaliar suas habilidades de codificação e solução de problemas. Prepare-se para perguntas não técnicas relacionadas à sua gestão de tempo, comunicação interpessoal e ética profissional.

Principais perguntas de entrevista para desenvolvedor(a) Java e como respondê-las

Question 1

Pergunta 1: Qual é a diferença entre HashTable e HashMap no Java?

How to answer
Como responder: Os entrevistadores usam perguntas técnicas para avaliar seu treinamento formal e seu conhecimento da linguagem de programação Java. Demonstre suas habilidades de comunicação. Mesmo que você tenha bastante experiência com codificação, revise os conceitos básicos de Java antes da entrevista.
Question 2

Pergunta 2: Crie um programa para determinar se 243 é um número de Armstrong.

How to answer
Como responder: Os entrevistadores usam perguntas abertas para testar suas habilidades de codificação. Essa pergunta avalia sua capacidade de solucionar problemas usando um algoritmo Java. Explique seu raciocínio usando um editor de código ou uma lousa para resolver o problema.
Question 3

Pergunta 3: Como você cria códigos de qualidade quando precisa trabalhar em vários projetos Java ao mesmo tempo?

How to answer
Como responder: Desenvolvedores Java normalmente trabalham em vários projetos ao mesmo tempo. Os entrevistadores usam perguntas como essa para testar suas habilidades organizacionais e de gestão de tempo. Além disso, eles também avaliam seu compromisso com um trabalho de qualidade. Se você tiver experiência na área, inclua exemplos de trabalhos que demonstram alta qualidade e gestão de tempo eficaz.

30,886 desenvolvedor java interview questions shared by candidates

I'm writing it to share my experience with Bairesdev recruitment. Last year April/May I applied on Linkedin for a Java position. Instantly, I was invited for online tests. After finishing there was introductory interview with recruiter. Then they arranged a technical interview. After this interview there was communication from Bairesdev time to time asking me if I was still available or not, they may call me anytime. In the meantime, recruiter changed, I was introduced to new recruiter. As it was already quite long time, I inquired about it in February. I received instant reply from a new recruiter, he said I was in queue getting a call soon. Then the pandemic started and I thought this process may get late. However, I again contacted on September and that same guy from last communication told me that I have to apply for Bairesdev job again. So then I looked for some suitable openings from Bairesdev on Linkedin and sent mail to their jobs mail and received invite for same tests that I went through last year. I explained in reply that I already completed this process last year and was waiting to be hired. If they want to further check my skills, they can give me some assignments/tasks, what's the point going the same process again. The guy repeated the same thing in reply that I have to go through those same tests. Finally, I decided to quit. The whole story is now almost one and half year long. So, I would request people to be cautious, it may turn out to be waste of valuable time. Thanks
avatar

Java Tech Lead

Interviewed at BairesDev

4.3★
Oct 8, 2020

I'm writing it to share my experience with Bairesdev recruitment. Last year April/May I applied on Linkedin for a Java position. Instantly, I was invited for online tests. After finishing there was introductory interview with recruiter. Then they arranged a technical interview. After this interview there was communication from Bairesdev time to time asking me if I was still available or not, they may call me anytime. In the meantime, recruiter changed, I was introduced to new recruiter. As it was already quite long time, I inquired about it in February. I received instant reply from a new recruiter, he said I was in queue getting a call soon. Then the pandemic started and I thought this process may get late. However, I again contacted on September and that same guy from last communication told me that I have to apply for Bairesdev job again. So then I looked for some suitable openings from Bairesdev on Linkedin and sent mail to their jobs mail and received invite for same tests that I went through last year. I explained in reply that I already completed this process last year and was waiting to be hired. If they want to further check my skills, they can give me some assignments/tasks, what's the point going the same process again. The guy repeated the same thing in reply that I have to go through those same tests. Finally, I decided to quit. The whole story is now almost one and half year long. So, I would request people to be cautious, it may turn out to be waste of valuable time. Thanks

In 1st F2F round they will ask basic questions from OOPS, Multithreading, Collections, SQL, JOINS, and about the project you have mentioned in the resume, (I have mentioned based on Spring MVC, Spring Boot). So the questions were from there. 2nd F2F was almost same with some additional questions from RESTFul web services
avatar

Java/J2EE Developer

Interviewed at STMicroelectronics

3.8★
Jun 21, 2019

In 1st F2F round they will ask basic questions from OOPS, Multithreading, Collections, SQL, JOINS, and about the project you have mentioned in the resume, (I have mentioned based on Spring MVC, Spring Boot). So the questions were from there. 2nd F2F was almost same with some additional questions from RESTFul web services

They don't ask you questions if you make it clear on your resume of what you know. Java Core : 4 pillars of OOP, Access Modifiers, Array/ArrayList, Memory handling. SQL : Relationships, Normalization, Stored Procedures/Functions, Indices, Joins, DML, TCL, Views Unix : Know your commands including wildcards (grep/find), shell scripting
avatar

Java Developer

Interviewed at Accenture

3.7★
Jul 30, 2015

They don't ask you questions if you make it clear on your resume of what you know. Java Core : 4 pillars of OOP, Access Modifiers, Array/ArrayList, Memory handling. SQL : Relationships, Normalization, Stored Procedures/Functions, Indices, Joins, DML, TCL, Views Unix : Know your commands including wildcards (grep/find), shell scripting

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