Samsung SDE (Software Development Engineer) Interview Questions and Answers

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Q1. Move zeros to end?
Ans. 
Move all zeros in an array of strings to the end while maintaining the order of non-zero elements.
• Iterate through the array and move all zeros to the end while keeping the order of non-zero elements.

• Use two pointers approach to swap elements in-place.

• Example: Input: ['a', 'b', 'c', '0', 'd', '0'], Output: ['a', 'b', 'c', 'd', '0', '0']
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Q2. WHat are AWS services?
Ans. 
AWS services are cloud computing services provided by Amazon Web Services.
• Compute services (e.g. EC2, Lambda)

• Storage services (e.g. S3, EBS)

• Database services (e.g. RDS, DynamoDB)

• Networking services (e.g. VPC, Route 53)

• Machine learning services (e.g. SageMaker)

• Analytics services (e.g. Redshift, Athena)
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Q3. What is dynamodb?
Ans. 
DynamoDB is a fully managed NoSQL database service provided by AWS.
• Fully managed NoSQL database service

• Scalable and high-performance

• Supports key-value and document data models

• Automatically replicates data across multiple Availability Zones for high availability
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Q1. How good are you at stress handling situations?
Ans. 
I am very good at handling stress situations, remaining calm and focused under pressure.
• I have experience working on high-pressure projects with tight deadlines.

• I am able to prioritize tasks effectively and stay organized during stressful situations.

• I have developed strong problem-solving skills that help me navigate stressful scenarios.

• I am able to communicate effectively with team members and stakeholders to manage s...read more
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Q2. Why daikin eloaborate this?
Ans. 
Daikin may elaborate on a topic to provide more detailed information or explanation.
• To provide a better understanding of a complex concept or product

• To address potential questions or concerns from customers

• To showcase the company's expertise and knowledge in the industry
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Q1. What is your weakness
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Q2. What is pn junction diode
Ans. 
A pn junction diode is a semiconductor device that allows current to flow in one direction only.
• Consists of p-type and n-type semiconductor materials

• When forward biased, allows current to flow easily

• When reverse biased, blocks current flow
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Q1. OOPS concepts with DSA in java
Ans. 
OOPS concepts in Java are principles like Inheritance, Encapsulation, Polymorphism, and Abstraction. DSA involves data structures and algorithms.
• OOPS concepts in Java include Inheritance, where a class inherits properties and behaviors from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent cla...read more
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Q2. Questions related to resume projects and tech stacks used.
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Q1. Questions related to previous experiences in team oriented internships
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Q1. If you have page with 10 records and verify if a record is deleted
Ans. 
To verify if a record is deleted from a page with 10 records, we can check if the record is no longer displayed.
• Locate the record on the page

• Verify that the record is no longer visible

• Confirm that the total number of records displayed is now 9
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Difficult Coding question.

Q1. Architecture design
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Q2. Dont remember question
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Q3. Explained desig
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Aptitude duration One hours
Level moderate

Coding Test Duration 3 hours
Level moderate to hard

I am read to test for round number one.

I also ready for this and this is so effective for me.