HCL Group Senior Technical Lead Interview Questions and Answers

Coding is used to create software programs and applications.

• Coding allows us to instruct computers to perform specific tasks.

• It helps in automating processes and solving complex problems.

• Coding enables the development of software that powers various industries.

• It allows for customization and flexibility in creating solutions.

• Coding is essential for creating websites, mobile apps, and software systems.

• Examples: Writing ...read more

I have used code in various projects and industries, including finance, e-commerce, and healthcare.

• Finance: Developed trading algorithms and risk management systems.

• E-commerce: Built online shopping platforms and payment gateways.

• Healthcare: Created electronic medical record systems and medical imaging software.

Yes, I am okay with CTC not being an issue as long as we are leading in the global market.

• I prioritize being part of a successful and globally competitive company over CTC.

• I believe in the importance of contributing to a company's growth and success.

• I am motivated by the opportunity to work on challenging projects and make a significant impact.

• I value the recognition and reputation that comes with being part of a leadi...read more

Containerization is a lightweight, portable, and self-sufficient way to package applications and their dependencies.

• Create a Dockerfile with instructions on how to build the container

• Build the Docker image using the Dockerfile

• Run the Docker image to create a container

• Deploy the container on a server using Docker Engine

Elastic Kubernetes Service (EKS) is a managed Kubernetes service provided by AWS.

• Fully managed Kubernetes service

• Automatically scales based on workload

• Integrates with other AWS services like EC2, S3, and IAM

CloudWatch is a monitoring and management service provided by AWS to monitor resources and applications in the cloud.

• CloudWatch collects and tracks metrics, logs, and events from various AWS services and resources.

• It provides real-time monitoring, alerting, and dashboards to help users visualize and understand their cloud environment.

• Users can set up alarms to notify them of changes in their environment or resource usa...read more

Java 11 introduced several new features and enhancements compared to Java 8.

• Local-Variable Syntax for Lambda Parameters

• HTTP Client API (standardized in java.net.http package)

• Nest-Based Access Control

• Dynamic Class-File Constants

• Epsilon: A No-Op Garbage Collector

• Flight Recorder

• ZGC: A Scalable Low-Latency Garbage Collector