PwC Dot Net Fullstack Developer Interview Questions and Answers

Q1. Angular,c#,web api,mvc
Add your answer

Q1. Basics of Python, Flask, ReactJs, RestApi Development
Add your answer
Q2. Python - Difference between is and ==
Add your answer
Q3. React - useEffect vs useState
Add your answer
Q4. Authentication in RestApi
Add your answer
Q5. React - Pure Component and Higher order components
Add your answer

Q1. Difference between jvm jre jdk?
Ans. 
JVM is the virtual machine that runs Java bytecode, JRE is the runtime environment for Java programs, and JDK is the development kit for creating Java applications.
• JVM (Java Virtual Machine) is responsible for running Java bytecode on different platforms.

• JRE (Java Runtime Environment) includes JVM, libraries, and other components necessary to run Java applications.

• JDK (Java Development Kit) is a software development ki...read more
Answered by AI
Add your answer
Q2. Why string is immutable?
Ans. 
String is immutable in Java to ensure security, thread safety, and optimization.
• Immutable strings prevent accidental changes to sensitive data like passwords.

• Immutable strings allow for safe sharing of string literals across multiple threads.

• Immutable strings enable string pooling for memory optimization.

• Example: String str = "Hello"; str.concat(" World"); // str remains "Hello"
Answered by AI
Add your answer

MCQ question , covered all topics

Q1. Do you know Caching ?
Ans. 
Caching is the process of storing data in a temporary location to reduce access time and improve performance.
• Caching helps in reducing the load on the server by storing frequently accessed data closer to the user.

• Examples of caching include browser caching, CDN caching, and database caching.

• Caching can be implemented at different levels such as application-level caching, database-level caching, and server-level caching
Answered by AI
Add your answer
Q2. Spring vs spring boot?
Ans. 
Spring is a framework for building Java applications, while Spring Boot is a tool that simplifies the setup and configuration of Spring applications.
• Spring is a comprehensive framework that provides support for various Java technologies like JDBC, JPA, and REST.

• Spring Boot is an opinionated tool that aims to simplify the development process by providing defaults for configuration and dependencies.

• Spring Boot includes e...read more
Answered by AI
Add your answer

Q1. How do you use joins in spring boot?
Ans. 
Joins in Spring Boot are used to retrieve data from multiple tables in a database using relationships between them.
• Use @Query annotation with JPQL or native SQL to perform joins in Spring Boot repositories

• Specify the join condition in the query using ON keyword

• Use JOIN FETCH to eagerly fetch associated entities in a single query
Answered by AI
Add your answer
Q2. Experience in production?
Add your answer

Q1. Tell about Oops
Ans. 
Object-oriented programming is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

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

• Abstrac...read more
Answered by AI
Add your answer
Q2. What is OOps Concept?
Ans. 
Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOP focuses on creating objects that interact with each other to solve a problem.

• Key principles of OOP include encapsulation, inheritance, and polymorphism.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• ...read more
Answered by AI
Add your answer

Q1. Angular,c#,web api,mvc
Add your answer