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ParentPay Interview Questions and Answers

Updated 23 Oct 2024

Q1. How to debug an issue?

Ans.

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

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Q2. Difference Abstract class and interface

Ans.

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

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Q3. Experience with GIT, pair programming.

Ans.

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

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Q4. How to implement caching in web apis

Ans.

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

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Q5. C# program for remove duplicate characters from string

Ans.

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

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Q6. Disadvantage of repository pattern

Ans.

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

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Q7. What do you know about hr functions

Ans.

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

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Q8. Angular different types of forms

Ans.

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

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Q9. Anagrams program.

Ans.

An anagrams program checks if two strings are anagrams of each other.

  • Create a function that takes in two strings as input

  • Remove any spaces and punctuation from the strings

  • Convert both strings to lowercase for case-insensitive comparison

  • Sort the characters in both strings

  • Check if the sorted strings are equal to determine if they are anagrams

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