Humancloud Technologies Fullstack Java Developer Interview Questions and Answers

Q1. Hashmap inter working, arraylist internal working, concurrent hashmap, comprator vs comprable, list, set, queue, transient vs volatile, Serializable, executor framework,
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Q2. Java 8 features especaily stream
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Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and requirements of the position.
• I am flexible and open to negotiation.

• I am looking for a competitive salary based on my skills and experience.

• I would like to be compensated fairly for the value I can bring to the company.

• I am interested in discussing the overall compensation package, including benefits and bonuses.
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Q2. What is your family background?
Ans. 
My family background is diverse and multicultural, with members from different countries and professions.
• My parents are from different countries, which has exposed me to different cultures and languages.

• My father is a doctor and my mother is an engineer, which has influenced my interest in both medicine and technology.

• I have relatives who are teachers, artists, and entrepreneurs, which has broadened my perspective on v...read more
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Q3. Why are you looking for a change?
Ans. 
Looking for new challenges and growth opportunities.
• Seeking a more challenging role to enhance my skills and knowledge.

• Interested in working with new technologies and frameworks.

• Want to be part of a dynamic and innovative team.

• Desire for career growth and advancement.

• Looking for a better work-life balance.
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Q4. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a highly skilled Fullstack Java Developer, leading a team and working on complex projects.
• Leading a team of developers

• Working on complex projects

• Continuously improving my skills

• Contributing to the success of the company
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Q5. Tell me about yourself.
Ans. 
I am a Fullstack Java Developer with experience in developing web applications using Java, Spring, and JavaScript.
• I have a strong understanding of Java programming language and its frameworks like Spring and Hibernate.

• I am proficient in front-end technologies like HTML, CSS, and JavaScript.

• I have experience in developing RESTful APIs and working with databases like MySQL and MongoDB.

• I am familiar with Agile development...read more
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Q1. Question related in resume skills and for company improvement knowledge
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Q2. Personal information
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4 senior interviewer in group discus

Q1. Java Basic questions
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Q2. SpringBoot Basic questions
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Q3. Simple DSA problem: "introduction" find duplicate characters
Ans. 
Find duplicate characters in a given array of strings
• Iterate through each string in the array

• For each string, iterate through each character and store the count in a hashmap

• If the count of any character is greater than 1, it is a duplicate
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Q4. Write code for REST API using spring boot, include all annotation
Ans. 
Code for REST API using Spring Boot with annotations
• Use @RestController annotation to define the class as a REST controller

• Use @RequestMapping annotation to map HTTP requests to handler methods

• Use @GetMapping, @PostMapping, @PutMapping, @DeleteMapping annotations for specific HTTP methods

• Use @PathVariable annotation to extract values from the URI

• Use @RequestBody annotation to bind HTTP request body to a method paramete
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Q1. SQL - a table with emp-id, emp-name, manager-id, Need to find the manger name for each emplyee.
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Q2. FizzBuzz - if number is divisible by 3 print "fizz", if by 5 print "buzz", if by both "fizzbuzz"
Ans. 
A simple program to print 'fizz' for multiples of 3, 'buzz' for multiples of 5, and 'fizzbuzz' for multiples of both.
• Iterate through numbers from 1 to n.

• Use modulo operator to check divisibility by 3 and 5.

• Print 'fizz', 'buzz', or 'fizzbuzz' accordingly.
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Q3. Is it necessary for classes implementing an interface to implement interface methods?
Ans. 
Yes, classes implementing an interface must implement interface methods.
• Classes implementing an interface must provide concrete implementations for all methods declared in the interface.

• Failure to implement all interface methods will result in a compilation error.

• Interfaces are used to define a contract that implementing classes must adhere to.
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Q4. Spring basics - annotations
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Q1. Spring boot basics
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Q1. Talked about my previous companies and salary. Before they conduct the interview I had told them my expectation, while negotiation they denied for providing that and were offering just 10% hike over my cur...read more
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Q1. Q1 - tell me about yourself After my introduction he directly jump into coding and asked me simple array manipulation question. Q3 - balanced string - you have a String = "()()()" or "(()" or "(()). The ou...read more
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Q1. The interviewers don't know how to speak English and are worst in communication. Q1 - Convert int a=123 to string. I told him you can do it with in built method but he asked me to do without it. I told h...read more
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Q1. Basic js question on hoisting, closure, promises
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Q1. Basic resume based
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Q1. Salary discussion -- HR never responded
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Date -2 march 2023 ,Time 2-5pm , topics-Java

Q1. Tell me something about yourself.
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Q2. What is your Excepted salary?
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Q3. What is your greatest Strengths?
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Q4. Concept of Core-java & Advance-java
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Q5. Basic Interview Questions
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Q1. Tech panel did not show up
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