3i Infotech Software Engineer Interview Questions and Answers

Q1. Basics of Java OOPS
Add your answer

Q1. Regarding cloud
Add your answer
Q2. Oracle core dba
Add your answer

Q1. Write a program Binary Search?
Ans. 
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
Answered by AI
View 1 more answer
Q2. What isCICD flow?
Ans. 
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
Answered by AI
View 1 more answer
Q3. How to handle Enum feature?
Ans. 
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
Answered by AI
Add your answer
Q4. Singleton handles the Syncronized ?
Ans. 
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
Answered by AI
Add your answer
Q5. What are external Libraries are used in project?
Ans. 
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.
Answered by AI
Add your answer

Q1. What is Threading
Ans. 
Threading is a programming technique that allows multiple tasks to run concurrently within a single process.
• Threading allows for parallel execution of tasks within a program.

• Threads share the same memory space, allowing for efficient communication between tasks.

• Examples of threading include creating separate threads for handling user input and updating the UI in a GUI application.
Answered by AI
Add your answer
Q2. Define Opps concept
Ans. 
OOPs concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

• Abstraction: Hiding the compl...read more
Answered by AI
Add your answer
Q3. Solid Pronciples
Add your answer
Q4. Design Patterns
Add your answer

Q1. ,What is your expected salary
Add your answer

Basic common Aptitude questions

Q1. Technical questions
Add your answer
Q2. About DSA, DBMS, CS fundamentals
Add your answer

Q1. Basic HR questions
Add your answer

Q1. Python questions
Add your answer