OodlesTechnologies Software Engineer Interview Questions and Answers

Q1. Springboot notations
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Q2. How to handle multiple request on springboot
Ans. 
Use thread pooling and asynchronous processing to handle multiple requests efficiently in Spring Boot.
• Implement thread pooling to manage multiple requests concurrently.

• Use asynchronous processing to handle requests without blocking the main thread.

• Consider using reactive programming with Spring WebFlux for better scalability.

• Optimize database queries and external API calls to reduce response times.

• Implement caching mec...read more
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Q1. What is server and abap server
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A server is a computer or software that provides functionality for other programs or devices. ABAP server is a server that runs ABAP programs.
• A server is a computer or software that provides services or resources to other computers or programs.

• ABAP server is a server that runs ABAP (Advanced Business Application Programming) programs, commonly used in SAP systems.

• ABAP server handles requests from clients and executes A...read more
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Q1. Coding question
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Q2. Asked to make some component in react
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Q1. Javascript questions
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Q2. Normal js questions
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Q1. What is angular
Ans. 
Angular is a popular open-source front-end web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem with many libraries and tools available.
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Q2. What is an angular
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Angular is a popular open-source web application framework developed by Google.
• Angular is used for building dynamic web applications.

• It allows for the creation of single-page applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Angular has a large community and ecosystem with many libraries and tools available.
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Q1. General aptitude question
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Q1. Technical Questions and some coding questions
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Prime number , factorial

Q1. Question asked from OOPs , DSA
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Q2. WAP to print prime number
Ans. 
A program to print prime numbers
• Iterate through numbers and check if each number is prime

• A prime number is only divisible by 1 and itself

• Start checking from 2 onwards

• Optimization: Only check up to square root of the number
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Aptitude test was easy level and moderate level.

Coding test was held in the google form which was very easy.

Q1. What is volatile keyword?
Ans. 
The volatile keyword in software engineering is used to indicate that a variable's value can be modified by multiple threads.
• Volatile keyword ensures that the variable's value is always read from and written to the main memory, rather than cached in a thread's local cache.

• It is used to prevent unexpected behavior in multi-threaded environments where multiple threads may access and modify the same variable simultaneousl...read more
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Q2. What is abstract class
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An abstract class is a class that cannot be instantiated and is meant to be subclassed.
• An abstract class can have abstract methods that must be implemented by its subclasses.

• An abstract class can also have non-abstract methods that can be inherited by its subclasses.

• An abstract class provides a common interface for its subclasses.

• An abstract class can have instance variables and constructors.

• An abstract class cannot be...read more
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Q3. Where do you use abstract class
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Abstract classes are used to provide a common interface and partial implementation for related classes.
• Abstract classes are used when you want to create a base class that cannot be instantiated on its own but can be inherited by other classes.

• They are useful when you want to define common methods and properties that multiple related classes should have.

• Abstract classes can have both abstract and non-abstract methods.

• Ab...read more
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