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Dollar General Interview Questions and Answers
Dollar General Interview Experiences
1 interview found
Anonymous
Selected
I applied via Job Portal and was interviewed before Oct 2023. There was 1 interview round.
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I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 6 interview rounds.
Interview Questionnaire
1 Question
- Q1. Design tiny url service which should be scalable up to 10m requests a year. Derive the algorithm such as every request that the system generates is unique and read operation should be very efficient for ob...
- Ans.
Design a scalable tiny URL service with unique requests and efficient read operation.
Use a hashing algorithm to generate unique short URLs from long URLs
Store the mappings in a distributed key-value store like Redis or Cassandra
Use a load balancer to distribute requests across multiple servers
Implement caching to improve read performance
Consider using a CDN to serve frequently accessed URLs
Implement rate limiting and t...
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Skills evaluated in this interview
Aman Patel
Selected
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
Selected
I applied via Company Website and was interviewed in Jul 2024. There were 2 interview rounds.
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. First Self intro, family background, educational background and then they asked about my total experience serial wise starting from my first company, asked about my profile and my job responsibilities and ...
roshani dubey
Selected
I applied via Referral and was interviewed in May 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Jul 2021. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Java 8 features with code, Spring Boot, and Microservices in depth, was asked to write SQL queries.
- Ans.
Interview question on Java 8 features, Spring Boot, Microservices, and SQL queries for Senior Engineer role.
Java 8 features include lambda expressions, functional interfaces, streams, and default methods.
Spring Boot is a framework for building microservices with minimal configuration.
Microservices architecture involves breaking down a large application into smaller, independent services.
SQL queries are used to retrieve...
- Q2. Garbage collection with example, Problem solving
- Ans.
Garbage collection is an automatic memory management process. It frees up memory occupied by objects that are no longer in use.
Garbage collection is used in programming languages like Java, Python, and C#.
It helps prevent memory leaks and improves program efficiency.
For example, in Java, the garbage collector runs periodically to identify and remove objects that are no longer referenced by the program.
Garbage collectio...
Interview Preparation Tips
we need to understand the questions and answer cut and clear.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Nov 2021. There were 4 interview rounds.
Interview Preparation Tips
- Java
- Java 8
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2023. There was 1 interview round.
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