Capillary Technologies Sde1 Interview Questions and Answers

Q1. They asked first question related to Spring security .
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Q2. Questions related to rest API Given scenario and asked approach
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Q3. Database related like procedures call in db and also in springboot
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Q4. Core java related to collections
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Q1. In second round , interviewer asked me to write logic for Array sort
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Q2. Singleton class
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Q3. Design pattern like singleton and factory , dao
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Q4. Spring data JPA , jdbc connection
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Q5. Hibernate annotation
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Q1. Related to projects what we had done
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Q2. Difficult situations what u face
Ans. 
Handling difficult situations by staying calm, analyzing the problem, and finding a solution.
• Remaining calm under pressure

• Identifying the root cause of the problem

• Collaborating with team members to brainstorm solutions

• Prioritizing tasks to address the issue efficiently
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Q3. Code standardization
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Q1. Write a Simple GET, POST Flask Application?
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Q2. Assign Values to a Cookie - Flask Application
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- Convert a given input of keys-values to value-keys using Python

2 coding question for 60 mins. One array based question and one string based question.

Q1. Oops 2 pillars with examples ?
Ans. 
Oops 2 pillars are Abstraction and Encapsulation.
• Abstraction: Hiding unnecessary details and showing only relevant information. Example: Car dashboard displaying speed without showing internal engine details.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in object-oriented programming encapsulates data and methods.
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Q2. Inheritance and it's types with examples ?
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, hierarchical inheritance

• Single inheritance: a class inherits from only one parent class. Example: class Dog inherits from class Animal

• Multiple inheritance: a class inherits from multiple parent classes. Example:...read more
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Q1. String Question based on hashmap
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Q2. Palindorme -Reverse a string
Ans. 
Reverse a string to check if it is a palindrome.
• Create a function that takes a string as input

• Reverse the string using built-in functions or manually

• Compare the reversed string with the original string to check if it is a palindrome
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Q1. Basic Personal Questions, salary expectations
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Q2. Agile, docker,kunernetes
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Q1. Golang concurrency questions
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Q2. Random shit chatgpt questions
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Q1. My expertise are in golang. And all the questions were straight forward around golang.
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Q2. What is concurrency. How to check performance of applications. How to handle concurrency. How many no of goroutines can be created and so on.
Ans. 
Concurrency is the ability of a system to run multiple tasks simultaneously. Performance of applications can be checked using profiling tools. Concurrency can be handled using synchronization techniques like mutexes and channels.
• Concurrency allows multiple tasks to run concurrently, improving performance and responsiveness.

• Performance of applications can be checked using profiling tools like Go's built-in 'pprof' packa...read more
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Q1. How to make sure there are no vulnerabilities. What engineering principles you follow.
Ans. 
To ensure no vulnerabilities, follow secure coding practices, conduct regular security audits, use encryption, and stay updated on security threats.
• Follow secure coding practices such as input validation, output encoding, and parameterized queries.

• Conduct regular security audits to identify and address vulnerabilities in the code.

• Use encryption to protect sensitive data in transit and at rest.

• Stay updated on security t...read more
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It was a Basic Aptitude Test

We were asked to do Sorting, SQL queries (join)

Q1. Can you tell me about yourself?
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies such as Java, JavaScript, and SQL
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The assessment was based on fundamental aptitude and technical questions pertaining to C, Python, C#, JavaScript, and the development of a React project(100 marks).

Q1. The technica interview was based on technical knowledge. the recruiters asked questions based on the resume and the skills mentioned in it. Interview questions were standard and the interviewers were keen ...read more
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Q1. The interview was the easiest of all the rounds. Basic background checks and they evaluate based on situational questions.
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