IBM Interview Questions, Process, and Tips for Experienced

Design patterns are reusable solutions to common software problems.

• Design patterns help in creating flexible, reusable, and maintainable code.

• Some common design patterns in C# are Singleton, Factory, Observer, and Decorator.

• Singleton pattern ensures that only one instance of a class is created.

• Factory pattern provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects ...read more

.NET Core is a cross-platform framework while DI is a built-in dependency injection system in .NET Core.

• DI in .NET Core is a built-in dependency injection system that allows for loosely coupled code.

• .NET Core is a cross-platform framework that can run on Windows, Linux, and macOS.

• DI in .NET Core can be configured using various methods such as constructor injection, property injection, and method injection.

• In .NET Core,...read more

Angular is a complete framework while React is a library for building UI components.

• Angular has a steeper learning curve and requires more setup time.

• React is more flexible and can be easily integrated into existing projects.

• Angular uses two-way data binding while React uses one-way data flow.

• Angular has a larger file size while React is lightweight.

• Angular has a built-in dependency injection system while React does no...read more

To restrict URL access in Angular, use Angular Router Guards.

• Angular Router Guards can be used to restrict access to certain routes based on user authentication or authorization.

• There are three types of guards: CanActivate, CanActivateChild, and CanLoad.

• CanActivate is used to prevent access to a route, CanActivateChild is used to prevent access to child routes, and CanLoad is used to prevent lazy-loaded modules from be...read more

Interceptors are functions that can intercept and modify requests or responses in an application. Closures are functions that have access to variables in their outer scope.

• Interceptors can be used for logging, authentication, caching, and more.

• Closures are commonly used in JavaScript to create private variables and functions.

• An example of an interceptor in AngularJS is the $httpInterceptor service.

• An example of a closu...read more

Import and export are used in JavaScript to share code between files and modules.

• Import is used to bring in code from other modules or files.

• Export is used to make code available for use in other modules or files.

• Import and export are commonly used in modern JavaScript development with tools like Webpack and Babel.

• Examples of import and export syntax include: import { functionName } from './module'; and export default