Extrieve Technologies Software Developer Trainee Interview Questions and Answers

Q1. Life cycle of thread
Ans. 
Thread life cycle includes new, runnable, running, blocked, and terminated states.
• Thread is created in 'new' state

• It becomes 'runnable' when start() method is called

• Thread enters 'running' state when CPU starts executing its run() method

• It can go to 'blocked' state if it's waiting for a resource

• Finally, thread reaches 'terminated' state when run() method completes or stop() method is called
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Q2. İnternal working of hash map
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Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map consists of an array of buckets, each containing a linked list of key-value pairs.

• When inserting a key-value pair, the hash function is used to determine the index of the bucket where the pair should be stored.

• To retrieve a value, the hash function is used to find the corresponding bucket...read more
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Q1. Salary expectations
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Q2. Why I want to change the job
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Seeking new challenges, growth opportunities, and a better work-life balance.
• Looking for new challenges and opportunities to learn and grow

• Seeking a better work-life balance

• Interested in working with new technologies or in a different industry

• Wanting to advance career progression
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DSA round with 2 questions

DSA with 2 questions

Q1. What are the challenges you have faced ?
Ans. 
I have faced challenges in debugging complex code, meeting tight deadlines, and adapting to new technologies.
• Debugging complex code: I have encountered issues with legacy codebases that required extensive debugging to identify and fix errors.

• Meeting tight deadlines: I have had to work under pressure to deliver projects on time, often requiring long hours and efficient time management.

• Adapting to new technologies: I hav...read more
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Q2. What are your expectation from the company
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I expect the company to provide a challenging work environment, opportunities for growth, and a supportive team.
• Opportunities for professional development and growth

• A collaborative and supportive team environment

• Challenging and interesting projects to work on

• Competitive compensation and benefits package
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2 DSA Questions and questions from springboot for java

Q1. Build Project in springboot and asked questions from the same
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Q1. System design questions for High level design
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Q1. Behavioral round asked question about the organization.
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Q1. What are joins in sql
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q2. Types of arrays in PHP
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Types of arrays in PHP include indexed arrays, associative arrays, and multidimensional arrays.
• Indexed arrays: default type where each element is assigned a numeric index starting from 0.

• Associative arrays: elements are assigned a specific key instead of numeric index.

• Multidimensional arrays: arrays within arrays, creating a matrix-like structure.

• Example: $indexedArray = [1, 2, 3]; $associativeArray = ['key1' => 'value...read more
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Covers basics aps around 15 question

DSA based questions from leetcode easy and medium

Q1. Java related questions
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Q2. Core java, Java 8
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Random Programming questions

Q1. 1 Explain SQL ? 2 Update query? 3 types software Testing? 4 Unit Testing? 5 Database Testing? etc
Ans. 
Answers to common interview questions for Software Test Engineer
• SQL is a programming language used to manage and manipulate relational databases.

• Update query is used to modify existing data in a database table.

• Types of software testing include functional, performance, and security testing.

• Unit testing is a type of testing where individual units or components of a software application are tested in isolation.

• Database te...read more
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Given a text need to understand and solve

Some Java based and system design api was allowed to made

Q1. Introduction of myself
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Q2. Salary discussion was done
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