Gemini Solutions Software Developer Interview Questions and Answers

Q1. Tell us about your experience.
Add your answer
Q2. In english, give me a feedback you received lately.
Add your answer

Q1. Brief explanation of SOLID principles
Add your answer
Q2. Ref vs out arguments
Add your answer

Q1. What is React, and what are its lifecycle methods?
Ans. 
React is a JavaScript library for building user interfaces.
• React is used for creating interactive UI components.

• It uses a virtual DOM for efficient rendering.

• React lifecycle methods include componentDidMount, componentDidUpdate, and componentWillUnmount.

• These methods allow developers to perform actions at specific points in a component's lifecycle.
Answered by AI
Add your answer
Q2. What is the virtual DOM and how does reconciliation work in it?
Ans. 
Virtual DOM is a lightweight copy of the actual DOM used for efficient updates. Reconciliation is the process of updating the actual DOM based on changes in the virtual DOM.
• Virtual DOM is a lightweight copy of the actual DOM kept in memory.

• When changes are made to the UI, they are first reflected in the virtual DOM.

• Reconciliation is the process of comparing the virtual DOM with the actual DOM and updating only the nece...read more
Answered by AI
Add your answer

Q1. They have connected the client call with me directly and only that 2 round of technical interview happened and hr round. That's it
Add your answer

Q1. Easy interview interview with tcs
Add your answer
Q2. Hana consultant
Add your answer

Q1. Oops, Dot net ,MVC
Add your answer

Q1. Project based backend and frontend
Add your answer
Q2. How to connect to backend
Ans. 
To connect to the backend, you can use APIs, database connections, or web services.
• Use APIs to send and receive data between the frontend and backend

• Establish database connections to retrieve and store data

• Utilize web services for communication between different systems
Answered by AI
Add your answer

Q1. What is class what is object what is different between private protected and public and default
Ans. 
A class is a blueprint for creating objects, while an object is an instance of a class. Private, protected, public, and default are access modifiers in object-oriented programming.
• A class is a template or blueprint that defines the properties and behaviors of objects.

• An object is an instance of a class, created using the class blueprint.

• Private access modifier restricts access to class members within the same class.

• Pro...read more
Answered by AI
View 1 more answer
Q2. What is object ?
Ans. 
An object is a self-contained entity that consists of both data and behavior.
• Objects are instances of classes in object-oriented programming.

• They encapsulate data and provide methods to manipulate that data.

• Objects can interact with each other through method calls and message passing.

• Examples of objects include a car, a person, or a bank account.
Answered by AI
View 1 more answer
Q3. What is public?
Ans. 
Public is a keyword in programming languages that denotes the accessibility of a class, method, or variable.
• Public is one of the access modifiers in object-oriented programming.

• It allows the class, method, or variable to be accessed from any other class or package.

• Public members are part of the public API of a software component.

• Example: public class MyClass { ... }

• Example: public void myMethod() { ... }

• Example: public
Answered by AI
View 1 more answer
Q4. What is private?
Ans. 
In programming, private is an access modifier that restricts the visibility of a class member to within its own class.
• Private is used to encapsulate data and prevent direct access from outside the class.

• Private members can only be accessed through public methods or properties.

• Private variables are often used to store internal state or implementation details.

• Private methods are used for internal logic and are not meant
Answered by AI
View 1 more answer
Q5. What is protected
Ans. 
protected is an access modifier in object-oriented programming that restricts access to members within the same package or subclasses.
• protected is one of the four access modifiers in Java, along with public, private, and default.

• Members declared as protected can be accessed within the same package or by subclasses.

• Protected members are not accessible outside the package unless accessed through inheritance.

• Example: prot...read more
Answered by AI
Add your answer

Q1. Not available, PFB
Add your answer
Q2. Please find below
Add your answer

Arrays, basics. easy, some important topics in python and sql

Q1. SQL basics question learned in online or self
Add your answer
Q2. Joins, groupby, clause, projection, having
Add your answer