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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.

30,863 desenvolvedor java interview questions shared by candidates

The first interview should be with a recruiter that asks about your family and your children. The second interview is with a group. The third with an architect that has no university degree .The fourth … Second interview: How should I tackle involvement in taking on development of legacy code. If I use Test Driven Development and how. If I use tests as documentation. If I use or know Domain Driven Development . How do I update my technical and general knowledge. Which are my preferred books on testing of software. My hobbies

Java Developer (Software Engineer)

Interviewed at Lequa

2.2★
Apr 12, 2017

The first interview should be with a recruiter that asks about your family and your children. The second interview is with a group. The third with an architect that has no university degree .The fourth … Second interview: How should I tackle involvement in taking on development of legacy code. If I use Test Driven Development and how. If I use tests as documentation. If I use or know Domain Driven Development . How do I update my technical and general knowledge. Which are my preferred books on testing of software. My hobbies

The task was to build a command line utility to search for string. The input is text file (where every line is a new string) and some prefix. The program should print the shortest word in a text file that starts with the given prefix. The main idea was to build a perfect data structure to store the strings from text file and to make a look up. It is supposed that text file could be very big and looking for a string in a set of strings is not suitable.
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Java Developer

Interviewed at Voxer

3.5★
Oct 10, 2017

The task was to build a command line utility to search for string. The input is text file (where every line is a new string) and some prefix. The program should print the shortest word in a text file that starts with the given prefix. The main idea was to build a perfect data structure to store the strings from text file and to make a look up. It is supposed that text file could be very big and looking for a string in a set of strings is not suitable.

Define a class population with three methods- addPopulation(), printPopulation(), population(). addPopulation() takes two arguments- countryname in the form of string and population as int. It needs to store that value in a single structure. population() takes countryname as input and displays its population. If that countryname isn't present in the list, the output should be zero. printPopulation() prints all the countries with their respective population in tabular form.
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Java Developer

Interviewed at Remaxys

4★
Nov 29, 2017

Define a class population with three methods- addPopulation(), printPopulation(), population(). addPopulation() takes two arguments- countryname in the form of string and population as int. It needs to store that value in a single structure. population() takes countryname as input and displays its population. If that countryname isn't present in the list, the output should be zero. printPopulation() prints all the countries with their respective population in tabular form.

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