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Vizzve Services Golang Developer Interview Questions and Answers

Updated 7 Feb 2023

Vizzve Services Golang Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
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Round 2 - One-on-one 

(8 Questions)

  • Q1. Goroutines,channel,mysql,postgres,dockers,rest API,struct,function,method,intergace,range,defer,panic,database,mongodb,postgres,encapsulation,abstraction,golang keywords,data segments,pointers,new,make,inb...
  • Q2. Closur function,defer,panic,microservices,aws,slice,array,map,logics,data structures,design patterns,packages,unit testing,kubernets,go commands,go build,go run,build commands,polymorphism,inheritence,conc...
  • Q3. Api packages,api programes,pointer,testing packages,routing package,channel,goroutines,buffered,unbuffered,mutex,waitgroup,golang adavantages,disadvantages of golang,compare golang and other languagge
  • Q4. Difference between pointer and slice,difference between slice and array,map,bridge patterns,abstrac pattern,singelton,explain 2 design patterns.explain channels.
  • Ans. 

    Questions related to Go programming language concepts and design patterns.

    • Pointer is a variable that stores the memory address of another variable, while slice is a reference to an underlying array.

    • Arrays have a fixed size, while slices are dynamic and can grow or shrink.

    • Maps are key-value pairs, used to store and retrieve data based on a unique key.

    • Bridge pattern is used to separate an abstraction from its implementat...

  • Answered by AI
  • Q5. Explain pointers? explain channel?
  • Ans. 

    Pointers are variables that store the memory address of another variable. Channels are used for communication between goroutines.

    • Pointers allow direct access to memory, making it possible to modify values at a specific address.

    • Channels are used to pass data between goroutines, allowing for synchronization and communication.

    • Pointers can be used to pass large data structures to functions without copying the entire struct...

  • Answered by AI
  • Q6. Dockers commands,project architeture linuk,commands mogodb explain
  • Q7. What is goroutines,explain with example explain switch concepts in goroutines
  • Ans. 

    Goroutines are lightweight threads of execution in Go that allow concurrent programming.

    • Goroutines are created using the 'go' keyword followed by a function call.

    • They are executed concurrently with other goroutines and can communicate using channels.

    • Switch statements can be used to control the flow of execution between multiple goroutines.

    • Example: go func() { fmt.Println('Hello, world!') }()

    • Example: select { case msg :...

  • Answered by AI
  • Q8. Explain go path and go root.what is encapsulation.write a program on encapsulation
  • Ans. 

    Explanation of Go path and Go root, and encapsulation with a program example.

    • Go path is an environment variable that specifies the location of Go source code and binaries.

    • Go root is the location where Go is installed on the system.

    • Encapsulation is the process of hiding implementation details and exposing only necessary information.

    • Example of encapsulation in Go can be creating a struct with private fields and public me...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - write a programs on struct,methods,interface,mutex

Skills evaluated in this interview

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Interview questions from similar companies

I appeared for an interview in Dec 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 40 minutes
Round difficulty - Easy

  • Q1. 

    Count Subsequences Problem Statement

    Given an integer array ARR of size N, your task is to find the total number of subsequences in which all elements are equal.

    Explanation:

    A subsequence of an array i...

  • Ans. 

    Count the total number of subsequences in which all elements are equal in an integer array.

    • Iterate through the array and count the frequency of each element.

    • Calculate the total number of subsequences for each element using the formula (frequency * (frequency + 1) / 2).

    • Sum up the total number of subsequences for all elements and return the result modulo 10^9 + 7.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaNoWipro Limited interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Do practice as much as you can
Tip 2 : Coding is key to crack

Application resume tips for other job seekers

Tip 1 : It should look nice
Tip 2 : Skills should be mentioned properly

Final outcome of the interviewRejected

Skills evaluated in this interview

Golang Developer Interview Questions Asked at Other Companies

asked in Capgemini
Q1. can we return difference data type and how ,what architeture you ... read more
asked in Capgemini
Q2. difference between buffered channel and unbuffered channel,error ... read more
asked in Capgemini
Q3. why we use go,advantages of golang,does any other language suppor ... read more
Q4. explain go path and go root.what is encapsulation.write a program ... read more
Q5. Does Golang support OOP concepts, and if so, how?

Team Lead Interview Questions & Answers

Cognizant user image P VIJAY MOHAN

posted on 23 Oct 2021

I applied via Referral and was interviewed in Apr 2021. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. SLA's , KPI, FMEA
  • Q2. Situation management, conflict management
  • Q3. Payments related questions and different ERP's

Interview Preparation Tips

Interview preparation tips for other job seekers - Over the interview experience was good and challenging, the interviewer had idea about the roles and responsibilities and took interview process accordingly

Interview Questionnaire 

1 Question

  • Q1. Bmide, Rac, itk, migration.

Interview Questionnaire 

1 Question

  • Q1. In 5 programs without effecting one by one how can you debug a particular program and how can you know tha program is calling in debug
  • Ans. 

    To debug a particular program without affecting others, use breakpoints and step through the code.

    • Set a breakpoint in the program you want to debug

    • Step through the code using a debugger to identify the issue

    • Use logging statements to track the flow of the program

    • Check the call stack to see which functions are being called

    • Use conditional breakpoints to stop the program at specific points

  • Answered by AI

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. What are the differences between C and C++?
  • Q2. Explain the scenarios where If and Switch Case statements are used.
  • Ans. 

    If and Switch Case statements are used for conditional branching in programming.

    • If statements are used for simple conditional branching.

    • Switch Case statements are used for multiple conditional branching.

    • If statements are more flexible than Switch Case statements.

    • Switch Case statements are more efficient than If statements for large number of conditions.

    • If statements can be nested, but Switch Case statements cannot.

    • Exam...

  • Answered by AI
  • Q3. Do you think algorithms and pseudocodes still play a role in the world of IT Services?
  • Ans. 

    Yes, algorithms and pseudocodes are still important in IT Services.

    • Algorithms are used in various fields of IT such as machine learning, data analysis, and cryptography.

    • Pseudocodes are used to plan and design algorithms before coding them.

    • Understanding algorithms and pseudocodes is essential for software engineers to write efficient and optimized code.

    • Examples of algorithms include sorting algorithms, search algorithms...

  • Answered by AI
  • Q4. Are you comfortable using Command Line Interfaces (CLIs) or Integrated Development Environments (IDEs) as part of your daily tasks?
  • Ans. 

    Yes, I am comfortable using both CLIs and IDEs for my daily tasks.

    • I have experience using various CLIs such as Git Bash, Windows Command Prompt, and Terminal on macOS.

    • I am proficient in using IDEs such as Visual Studio Code, Eclipse, and IntelliJ IDEA.

    • I understand the benefits and drawbacks of both CLIs and IDEs and can choose the appropriate tool for the task at hand.

  • Answered by AI
  • Q5. Are you okay to learn front end and back end technologies to ensure you are a complete developer in the longer run? Would you be able to learn the concepts if a timeline is given?? If yes, explain your lea...

Interview Preparation Tips

Interview preparation tips for other job seekers - The hiring team expects a structured response in your answers. Be it a fresher or an experienced professional, the answers must be represented with examples to ensure you display your expertise with an application in your mind.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Nov 2020. There were 6 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What are oops concept
  • Ans. 

    OOPs concepts are the fundamental principles of object-oriented programming.

    • Encapsulation - binding data and functions that manipulate the data

    • Inheritance - creating new classes from existing ones

    • Polymorphism - ability of objects to take on many forms

    • Abstraction - hiding implementation details and showing only functionality

  • Answered by AI
  • Q2. What is storage classes in c
  • Ans. 

    Storage classes in C define the scope and lifetime of variables.

    • There are four storage classes in C: auto, register, static, and extern.

    • Auto variables are local to a block and have automatic storage duration.

    • Register variables are stored in CPU registers for faster access.

    • Static variables have a lifetime throughout the program and are initialized only once.

    • Extern variables are declared outside any function and can be a...

  • Answered by AI
  • Q3. Describe about your final year project and internship

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confidence,and positive and answer your question confidently.

Skills evaluated in this interview

Are these interview questions helpful?

Interview Questionnaire 

3 Questions

  • Q1. Mathematical ,verbal, logical, puzzles, pseudo code
  • Q2. Verbal
  • Q3. Logical

Interview Preparation Tips

Interview preparation tips for other job seekers - Help me for infosys apptitude test interview

I applied via Campus Placement and was interviewed in Oct 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - Explore your self , add studies,hobbies,short term and long term goals.keep it short and simple.

Interview Questionnaire 

2 Questions

  • Q1. Explain the data structures like linked list, dfs and bfs.
  • Ans. 

    Linked list is a linear data structure. DFS and BFS are graph traversal algorithms.

    • Linked list is a collection of nodes where each node points to the next node.

    • DFS (Depth First Search) is a traversal algorithm that explores as far as possible along each branch before backtracking.

    • BFS (Breadth First Search) is a traversal algorithm that explores all the vertices of a graph in breadth-first order.

    • Example of linked list: ...

  • Answered by AI
  • Q2. Optimize the given program from O(n2) to O(log n)
  • Ans. 

    Optimize O(n2) program to O(log n)

    • Use binary search instead of linear search

    • Divide and conquer approach can be used

    • Implement efficient data structures like heap, AVL tree, etc.

    • Reduce unnecessary iterations and comparisons

    • Use memoization to avoid redundant calculations

  • Answered by AI

Skills evaluated in this interview

Vizzve Services Interview FAQs

How many rounds are there in Vizzve Services Golang Developer interview?
Vizzve Services interview process usually has 2 rounds. The most common rounds in the Vizzve Services interview process are Resume Shortlist and One-on-one Round.
What are the top questions asked in Vizzve Services Golang Developer interview?

Some of the top questions asked at the Vizzve Services Golang Developer interview -

  1. explain go path and go root.what is encapsulation.write a program on encapsulat...read more
  2. difference between pointer and slice,difference between slice and array,map,bri...read more
  3. what is goroutines,explain with example explain switch concepts in gorouti...read more

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Overall Interview Experience Rating

5/5

based on 1 interview experience

Difficulty level

Moderate 100%

Duration

Less than 2 weeks 100%
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