Optimize IT Systems Interview Questions, Process, and Tips

Oops concepts are fundamental principles of object-oriented programming.

• Inheritance - creating new classes from existing ones

• Encapsulation - hiding implementation details from users

• Polymorphism - ability of objects to take on multiple forms

• Abstraction - focusing on essential features while hiding non-essential ones

Repository pattern is a design pattern that separates data access logic from business logic.

• It provides a way to access data without exposing the underlying database or data storage technology.

• It helps in achieving separation of concerns and makes the code more modular and testable.

• It involves creating a repository interface that defines the operations that can be performed on the data and a concrete implementation of ...read more

Angular 8 introduces new features and improvements for better performance and developer experience.

• Ivy renderer for faster compilation and smaller bundle sizes

• Improved web worker support for better performance

• Lazy loading of components and routes

• Support for TypeScript 3.4 and 3.5

• New features in Angular Material and CDK

• Differential loading for faster startup times

• Improved accessibility features

Data policy ensures data consistency, UI policy controls form level behavior

• Data policy defines rules for data consistency and integrity

• UI policy controls the behavior of form fields and sections

• Both policies can be applied at different levels such as table, field, or form

• Data policy can prevent invalid data entry and enforce data standards

• UI policy can hide or make fields mandatory based on user roles or conditions