Coders Brain Software Developer Interview Questions and Answers

Aptitude and 2 coding problems- easy to medium

Q1. Duplicate number code
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Q1. How make a queue using a stack
Ans. 
To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
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Q2. Create a linked list
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A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
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First round 14 Java ,3 SQL ,3 apptitude

3 Java questions strings and Java

Q1. About the programming
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Q2. Your coding questions
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Q1. Self Intro about you
Ans. 
I am a passionate software developer with 5 years of experience in full-stack development.
• Experienced in Java, JavaScript, HTML, CSS, and SQL

• Strong problem-solving skills and ability to work in a team

• Developed a web application for a startup company using React and Node.js
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Q2. About your resume
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It is very impressive work on Josh technology assessment because we learn many new skills.

Q1. What is api and how it is work ?
Ans. 
API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.
• APIs define the methods and data formats that applications can use to request and exchange information.

• APIs can be used to access services provided by other software applications, such as retrieving data from a database or sending notifications.

• Examples of APIs ...read more
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Q2. What is software development life cycle and which steps are following?
Ans. 
Software development life cycle (SDLC) is a process used by software developers to design, develop, and test software.
• 1. Planning: Define the project scope, requirements, and objectives.

• 2. Analysis: Gather and analyze user requirements.

• 3. Design: Create a detailed design of the software.

• 4. Implementation: Develop the software based on the design.

• 5. Testing: Test the software for bugs and issues.

• 6. Deployment: Release t...read more
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The interviewer asked about javascript basics and DSA questions and some typescript questions

Q1. Tell me about
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Q2. Your self they are asking
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Q3. What is your weakness
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Q4. Any questions ask for me
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Q5. All the best future
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