Warner Bros. Discovery Software Development Engineer II Interview Questions and Answers

Q1. Ds codebto sort array to the left and right
Ans. 
Sort array of strings to the left and right
• Use a custom comparator function to sort the array based on specific criteria

• Split the array into two parts based on the sorted order

• Join the two parts back together to get the final sorted array
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Q2. Kafka integration with kubernetes
Ans. 
Kafka can be integrated with Kubernetes for scalable and reliable event streaming.
• Use Kubernetes StatefulSets to deploy Kafka brokers for persistent storage.

• Utilize Kubernetes Services for load balancing and network communication.

• Implement Kafka Connect to integrate Kafka with external systems in Kubernetes.

• Leverage Kubernetes Operators for automated management of Kafka clusters.
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Basic LIS problem. Coded using Java. Asked to improve it using collections.

Q1. Explain current project and what you have handled
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Q2. Longest substring problem
Ans. 
Find the longest substring without repeating characters in an array of strings.
• Iterate through each string in the array

• Use a set to keep track of characters seen so far

• Update the longest substring length as you iterate
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Q1. Easy DSA questions 1-2, Array Strings
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Q2. IOS Questions, Easy to Medium
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Q1. DSA 1-2 Questions Easy
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Q2. Medium ios topics including cacheing, life cycle
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Q1. Behaviour based questions
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Q2. STAR methodology related questions
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Q1. Resume related questions
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Q1. Multithreading and Concurrency
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Q1. What is JWT token and difference between OUTH2 and JWT
Ans. 
JWT token is a JSON Web Token used for authentication and authorization. OAuth2 is an authorization framework.
• JWT token is a compact and self-contained way to transmit information between parties as a JSON object.

• OAuth2 is an authorization framework that enables a third-party application to obtain limited access to an HTTP service.

• JWT token is used for authentication and authorization, while OAuth2 is used for authoriz...read more
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Q1. Personal info and project work
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2 basic questions easy LeetCode.

Q1. One on one with one of the senior engineers. Asked about basics of Java, one easy LeetCode problem
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Interview with 3 people. Focus on basics of Java, Database, Etc