People Centro Interview Questions and Answers

Debugging an issue involves identifying, isolating, and fixing the root cause of a problem in software.

• Start by reproducing the issue to understand the problem

• Use debugging tools like breakpoints, logging, and stack traces to pinpoint the issue

• Review the code and check for common errors such as typos, logic errors, or incorrect data handling

• Collaborate with team members or seek help from online resources if needed

• Test the fix to ensure the issue is resolved

Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

• Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract for classes to implement.

• Example: Abstract class 'Shape' wi...read more

Extensive experience with GIT and pair programming in various software development projects.

• Proficient in using GIT for version control and collaboration with team members.

• Skilled in resolving merge conflicts, branching, and code reviews using GIT.

• Experienced in pair programming to enhance code quality and knowledge sharing.

• Utilized tools like GitHub, Bitbucket, and GitLab for managing code repositories.

• Collaborated closely with team members to write, review, and refactor cod...read more

Caching in web APIs improves performance by storing frequently accessed data

• Use in-memory caching for fast access to data

• Implement output caching to store responses for future requests

• Consider using distributed caching for scalability

• Set appropriate cache expiration policies to ensure data freshness

C# program to remove duplicate characters from a string

• Create a new string without duplicates by iterating through each character in the original string

• Use a HashSet to keep track of characters that have already been encountered

• Convert the HashSet back to a string to get the final result

One disadvantage of the repository pattern is the potential for over-abstraction and complexity.

• Can lead to unnecessary complexity in simple applications

• May result in additional overhead and performance issues

• Difficult to implement complex queries efficiently

• Can lead to code duplication if not properly managed

HR functions include recruitment, training, employee relations, performance management, and compliance.

• Recruitment - sourcing, interviewing, and hiring new employees

• Training - developing and implementing training programs for employees

• Employee relations - handling employee grievances, conflicts, and disciplinary actions

• Performance management - setting goals, evaluating performance, and providing feedback

• Compliance - ensuring adherence to labor laws and company policies

Angular supports template-driven forms and reactive forms for handling user input.

• Template-driven forms are easy to use and suitable for simple forms

• Reactive forms are more flexible and allow for more complex scenarios

• Both types of forms use form controls to manage user input

• Validators can be used to validate user input in both types of forms