Maintec Technologies Software Engineer Interview Questions and Answers

Q1. C#, Angular,.net
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Q2. SQl,Jobject,Bidning
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Q1. Basics of Java OOPS
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Basic java oops and coding question

Q1. DSA and java basics
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Q1. Again DSA and java advanced
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Q1. Develop chat app
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Develop a chat app for real-time communication
• Use WebSocket for real-time communication

• Implement user authentication and authorization

• Design a user-friendly interface with features like emojis and file sharing
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It's aptitude and coding test they asked questions related to data interpretation mostly.and one coding question easy one and two SQL questions I got on joins

Topic given by them you have two minutes to think and then discuss with group for 5 minutes. At the end they ask for conclusion from everyone there is group of eight students and they select two or three from them

Q1. Asked about testing
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Q2. What are types of testing
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Types of testing include unit testing, integration testing, system testing, acceptance testing, and regression testing.
• Unit testing: Testing individual components or functions of the software.

• Integration testing: Testing how different components work together.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the software meets the requirements.

• Regression testing: Testing to ensu...read more
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Q3. Project related questions
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Q4. Hr related questions
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Q5. Whitebox vs black box testing
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Whitebox testing is testing the internal logic of the software, while black box testing is testing the functionality without knowledge of the internal code.
• Whitebox testing involves testing the internal structure, code paths, and algorithms of the software.

• Black box testing involves testing the functionality, inputs, and outputs of the software without knowledge of the internal code.

• Whitebox testing is typically done b...read more
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Q1. Complete HTML,CSS,JS,ReactJs,Nextjs question
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Q1. Write a program Binary Search?
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Binary search is a divide and conquer algorithm that efficiently finds the target value within a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the middle index and compare the target value with the middle element.

• If the target value is less than the middle element, search the left subarray. If greater, search the right subarray.

• Repeat the process until the target value is found or the s
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Q2. What isCICD flow?
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CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.
• CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.

• Continuous Integration (CI) focuses on automating the build and testing of code c...read more
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Q3. How to handle Enum feature?
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Enums are a feature in programming languages that allow you to define a set of named constants.
• Enums can be used to improve code readability by giving meaningful names to values

• Enums can be used in switch statements to handle different cases

• Enums can have associated values or raw values for more flexibility
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Q4. Singleton handles the Syncronized ?
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Yes, Singleton handles synchronization by ensuring only one instance of a class is created and providing global access to that instance.
• Singleton pattern restricts the instantiation of a class to one object.

• It provides a global point of access to the instance.

• Synchronization can be implemented in the Singleton pattern to ensure thread safety.

• Example: Singleton pattern is commonly used in database connections to ensure
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Q5. What are external Libraries are used in project?
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External libraries are pre-written code that can be imported and used in a project to provide additional functionality.
• External libraries help in reducing development time by providing ready-made solutions for common tasks.

• Examples include React for front-end development, NumPy for scientific computing in Python, and Retrofit for making network calls in Android apps.
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