iMerit Software Developer Interview Questions, Process, and Tips

Q1. Given strings and asked to write down the first non-repeatable string
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Q2. Palindrome program in java
Ans. 
A palindrome program in Java checks if a given string reads the same forwards and backwards.
• Create a function that takes a string input

• Use a loop to compare characters from both ends of the string

• Return true if the string is a palindrome, false otherwise
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Q3. Diamond problem in java
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Diamond problem in Java occurs when a class inherits from two classes that have a common ancestor, resulting in ambiguity.
• Diamond problem arises in multiple inheritance scenarios in Java.

• It occurs when a class inherits from two classes that have a common ancestor.

• To resolve the diamond problem, Java does not support multiple inheritance through classes, but it can be achieved using interfaces.

• Example: Class A and Class...read more
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Q4. Given a list of numbers and insisted to get the sum of numbers which gives 6
Ans. 
Iterate through the list and find pairs of numbers that sum up to 6
• Iterate through the list and check if the current number + any other number in the list equals 6

• Store the pairs of numbers that sum up to 6 in a separate list

• Return the list of pairs
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Q1. Java based questions
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Q1. What is the difference between volatile and atomic variables?
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Q2. How can caching be implemented?
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Coding and aptitude coding and aptitude with technical questions

Q1. Tell me about the oops concepts
Ans. 
Object-oriented programming concepts that focus on classes and objects
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class)

• Inheritance: Ability of a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q2. Details about your project
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Developed a web-based project management tool for tracking tasks and deadlines.
• Used HTML, CSS, and JavaScript for front-end development

• Utilized Node.js and MongoDB for back-end development

• Implemented user authentication and authorization features
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Q1. REST API for User CRUD
Ans. 
Design a RESTful API for CRUD operations on user resources.
• Use HTTP methods like GET, POST, PUT, DELETE for CRUD operations

• Create endpoints like /users for listing all users, /users/{id} for specific user

• Use status codes like 200 for success, 404 for not found, 400 for bad request

• Implement authentication and authorization mechanisms for security

• Include request and response body formats like JSON or XML
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Q2. Two Sum Leetcode problem
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Q3. Basic questions based on the candidate technical skills
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Q1. Basics to Intermediate level of questions based on the skills mentioned in the resume
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Q2. Projects related discussions
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Q1. I was informed to upload the supporting documents. ( They rejected me after this eventhough all my documents are genuine )
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Normal question aptitude like probability, scenario based questions, english grammar questions

Q1. Ticketing system design
Ans. 
Ticketing system design involves creating a platform for users to submit, track, and resolve issues or requests.
• Design a user-friendly interface for submitting tickets

• Implement a system for assigning tickets to appropriate teams or individuals

• Include features for tracking ticket status and communication with users

• Consider scalability and performance of the system

• Integrate with other tools or systems for seamless workfl
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Q2. Aws ec2 and jenkins
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Q1. Oops concepts, Java 8 coding questions
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Q1. Project structure, collection framework
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Q2. Java 8 coding questions
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