Good Luck Engineering Company Interview Questions and Answers

A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Q1. Current CTC, Expected CTC, Notice Period, Skill set
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Q2. Open for Fixed term hire? Open for working from client location at Gurgaon? (3 days from office)
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Q1. Introduction, Current role and responsibilities
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Q2. List out the achievements in current project, Tools used
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Q3. Pilot vs Beta testing. How can newly developed functionality be tested via automation rather doing it manually?
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Q4. Primary key vs Unique key in SQL, Query to find row having last id in sql
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Q5. Explain Software Testing Life Cycle, Defect Life Cycle
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Q6. What's the meaning of 303 status code in API? Put vs Delete method in API What is 3 point estimation technique in Agile?
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Q7. What kind of links and labels can be tagged to a bug in jira?
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Q8. Have you done shell scripting? What does grep, href commands do in unix?
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Q9. As a lead, how would you resolve conflict with a team member? As a lead, if you are given plenty of tasks to be completed with in a limited time frame. What would be your approach in doing them?
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Q10. Open for relocating to Bangalore and working from client's office? (with no relocation bonus) Open for working in night / rotational shift? (with no additional compensation) Open for working in long exten...read more
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