Dainik Bhaskar Group Interview Questions and Answers

Spring MVC is a framework for building web applications in Java, following the Model-View-Controller design pattern.

• Spring MVC separates the application into three main components: Model, View, and Controller.

• The Model represents the data of the application, the View is responsible for rendering the data to the user, and the Controller handles user input and updates the Model.

• Spring MVC provides features like request mapping, data binding, and validation to simplify web appli...read more

Microservice architecture is an architectural style that structures an application as a collection of loosely coupled services.

• Each service is self-contained and can be developed, deployed, and scaled independently.

• Services communicate with each other over lightweight protocols like HTTP or messaging queues.

• Microservices allow for flexibility, scalability, and easier maintenance of complex applications.

• Examples of companies using microservices include Netflix, Amazon, and Ube...read more

An array list is a dynamic data structure that can store a collection of elements of the same data type.

• Array list can dynamically grow or shrink in size as elements are added or removed.

• Elements in an array list are accessed by their index position.

• Example: ArrayList names = new ArrayList();

• Example: names.add("Alice"); names.add("Bob");

Class components are ES6 classes that extend React.Component, while function components are simple functions that return JSX.

• Class components have access to lifecycle methods like componentDidMount, componentDidUpdate, etc.

• Function components are simpler and more lightweight compared to class components.

• Class components can have state, while function components can use hooks like useState to manage state.

• Example: Class component - class MyComponent extends React.Component { r...read more

Create a login code using Reactjs

• Create a form with input fields for username and password

• Use state to store the input values

• Implement a function to handle form submission and validate the credentials

• Display appropriate messages for successful or failed login attempts