Aspire Systems Software Trainee Interview Questions and Answers

The API allows users to retrieve weather data based on location.

• Create a new endpoint that accepts a location parameter

• Use a weather API service to fetch weather data based on the location

• Return the weather data in a standardized format, such as JSON

The feature added to the project is a user authentication system.

• Implement a login page with username and password fields.

• Create a database table to store user credentials.

• Hash and salt passwords for secure storage.

• Implement password reset functionality.

• Add user roles and permissions for access control.

OOPS concepts of Java include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: bundling data and methods within a class

• Inheritance: creating new classes from existing ones

• Polymorphism: using a single interface to represent multiple classes

• Abstraction: hiding implementation details and showing only necessary information

Higher order component is a function that takes a component and returns a new component with additional functionality.

• HOC is a design pattern in React

• It allows code reuse, logic abstraction and composition

• Examples include withRouter, connect, and memo

Context API is a way to manage global state in React applications.

• Context API allows components to share data without passing props down the component tree.

• It provides a way to avoid prop drilling and makes code more maintainable.

• Context API consists of two parts: the Provider and the Consumer.

• The Provider component allows data to be passed down to all child components.

• The Consumer component allows components to access