HCL Group Post Graduate Engineer Trainee Interview Questions and Answers

Computer networking is the practice of connecting devices together to share resources and communicate with each other.

• Computer networking involves the use of hardware and software to connect devices together, such as computers, printers, and servers.

• Networking protocols, such as TCP/IP, are used to facilitate communication between devices.

• Examples of computer networks include local area networks (LANs), wide area netwo...read more

My final year project was on developing a web-based inventory management system using Java and MySQL.

• Developed using Java and MySQL

• Web-based inventory management system

• Implemented basic OOPs concepts

• Used MVC architecture for better code organization

• Included features like user authentication, product management, and order tracking

Static class and static constructor in C#

• Static class can only contain static members and cannot be instantiated

• Static constructor is called only once when the class is first accessed

• Static constructor is used to initialize static members of the class

• Example: Math class in C# is a static class

• Example: static constructor can be used to initialize a static variable with a value

Performance improvement in Angular app

• Use lazy loading to load modules on demand

• Optimize change detection strategy

• Use trackBy function in ngFor loops

• Minimize DOM manipulation

• Use AOT compilation

• Implement server-side rendering

• Use web workers for heavy computations

• Use caching for frequently accessed data

Answering questions about transformation and lookup types used in a project

• Transformation types used in the project may include data mapping, aggregation, filtering, and sorting

• Lookup is a process of searching for a specific value in a table or database

• Types of lookup include exact match, range match, and fuzzy match

• Questions about organization may refer to project management, team collaboration, or software developmen