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Hoichoi Technologies Interview Questions and Answers

Updated 25 Mar 2024

Hoichoi Technologies Interview Experiences

2 interviews found

Interview Questions & Answers

user image Anonymous

posted on 25 Mar 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Create GTM plan for new OTT platform
  • Q2. Give examples of your previous successful campaigns
Round 2 - Case Study 

How will you scale a campaign with limited budget?

Skills evaluated in this interview

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

I applied via LinkedIn and was interviewed before Jan 2023. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. What you know about Hoichoi

Customer Support Executive Interview Questions asked at other Companies

Q1. Understanding customer problems,whT i know about BPO nd how they work,how i will handle a difficult nd angry customer,i can satisfied my client.
View answer (21)

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Coding Test 

2 questions Medium Leetcode

Round 2 - Technical 

(4 Questions)

  • Q1. Questions around basic-easy DSA, operating system, project discussion (not in deep)
  • Q2. Binary Search Related
  • Q3. Sorting(Merge Sort)
  • Q4. Threads and Process
Round 3 - HR 

(1 Question)

  • Q1. Puzzles and Project and HR questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Medium Leetcode is enough, operating system and project knowledge
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. There are three different columns containing dates for various activities user did on the platform. How would you calculate the earliest activity date for the user
  • Ans. 

    To calculate the earliest activity date for the user, find the minimum date across all three columns.

    • Identify the three columns containing dates for various activities

    • Use a function to find the minimum date across all three columns

    • Consider handling null or missing values appropriately

  • Answered by AI
Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Feb 2025.

Round 1 - Interview Questions 

(20 Questions)

  • Q1. Explain the difference between ArrayList and LinkedList in Java. When would you choose one over the other?
  • Ans. 

    ArrayList is a resizable array, while LinkedList is a doubly linked list. Choose based on performance needs.

    • ArrayList: Faster for random access (O(1)). Example: list.get(5);

    • LinkedList: Faster for insertions/deletions (O(1)) at both ends. Example: list.addFirst('A');

    • ArrayList: Uses less memory overhead compared to LinkedList.

    • LinkedList: Better for frequent insertions/deletions in the middle of the list.

    • ArrayList: Requir...

  • Answered by AI
  • Q2. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? Can you explain how the ReentrantLock compares to synchronized?
  • Q3. What is the difference between == and .equals() in Java? When should each be used, and what issues can arise from improper usage?
  • Ans. 

    == checks reference equality, while .equals() checks value equality in Java. Use .equals() for content comparison.

    • == compares object references (memory addresses). Example: String a = new String('test'); String b = new String('test'); a == b returns false.

    • .equals() compares actual content of objects. Example: a.equals(b) returns true.

    • Use == for primitive types (int, char, etc.) and .equals() for objects.

    • Improper use of...

  • Answered by AI
  • Q4. How does the Java garbage collector work? Can you describe the different types of garbage collection algorithms available in Java?
  • Ans. 

    Java's garbage collector automatically manages memory by reclaiming unused objects, improving performance and preventing memory leaks.

    • Garbage Collection (GC) is the process of automatically identifying and disposing of objects that are no longer needed.

    • Java uses several GC algorithms, including Serial, Parallel, CMS (Concurrent Mark-Sweep), and G1 (Garbage-First).

    • The Serial GC is a simple, single-threaded collector sui...

  • Answered by AI
  • Q5. What are the main features of Java 8? Can you explain how lambdas and the Stream API have changed the way Java applications are written?
  • Ans. 

    Java 8 introduced lambdas, Stream API, and other features that enhance functional programming and improve code readability.

    • Lambdas: Enable concise representation of functional interfaces. Example: (x, y) -> x + y.

    • Stream API: Allows processing sequences of elements (collections) in a functional style. Example: list.stream().filter(x -> x > 10).collect(Collectors.toList()).

    • Default Methods: Interfaces can have me...

  • Answered by AI
  • Q6. Describe the differences between checked and unchecked exceptions in Java. Provide examples and explain how to handle them properly.
  • Ans. 

    Checked exceptions must be declared or handled; unchecked exceptions do not require explicit handling.

    • Checked exceptions are subclasses of Exception but not of RuntimeException.

    • Example of checked exception: IOException, which must be caught or declared.

    • Unchecked exceptions are subclasses of RuntimeException.

    • Example of unchecked exception: NullPointerException, which does not need to be declared.

    • Checked exceptions are t...

  • Answered by AI
  • Q7. What is the Java Memory Model, and how does it affect multithreading and synchronization? How does volatile help ensure memory visibility?
  • Ans. 

    The Java Memory Model defines how threads interact through memory, ensuring visibility and ordering of shared variables.

    • The Java Memory Model (JMM) specifies how threads interact with memory, ensuring consistency and visibility of shared variables.

    • It defines rules for visibility, atomicity, and ordering of operations in a multithreaded environment.

    • Without proper synchronization, threads may see stale or inconsistent da...

  • Answered by AI
  • Q8. Can you explain the difference between method overloading and method overriding in Java? Provide examples where each should be used.
  • Ans. 

    Method overloading allows multiple methods with the same name but different parameters; overriding allows subclass methods to replace superclass methods.

    • Method Overloading: Same method name, different parameter types or counts.

    • Example of Overloading: 'int add(int a, int b)' and 'double add(double a, double b)'.

    • Use Overloading for convenience and readability when performing similar operations.

    • Method Overriding: Same met...

  • Answered by AI
  • Q9. What are functional interfaces in Java? How do they work with lambda expressions? Provide an example of a custom functional interface.
  • Ans. 

    Functional interfaces in Java are interfaces with a single abstract method, enabling lambda expressions for concise code.

    • A functional interface has exactly one abstract method.

    • They can have multiple default or static methods.

    • Common examples include Runnable, Callable, and Comparator.

    • Lambda expressions provide a clear and concise way to implement functional interfaces.

    • Example of a custom functional interface: @Functiona...

  • Answered by AI
  • Q10. What is a Java Stream, and how does it differ from an Iterator? Explain how Streams can be used to process collections efficiently.
  • Ans. 

    Java Streams provide a functional approach to processing sequences of elements, unlike Iterators which are imperative.

    • Streams are part of the Java 8+ API, enabling functional-style operations on collections.

    • Unlike Iterators, Streams do not store data; they process data on-the-fly.

    • Streams support operations like map, filter, and reduce, allowing for concise and readable code.

    • Example: List<String> names = Arrays.as...

  • Answered by AI
  • Q11. Explain the concept of immutability in Java. How does the String class achieve immutability, and what are the advantages of immutable objects?
  • Ans. 

    Immutability in Java means objects cannot be modified after creation, enhancing security and performance.

    • 1. Immutability: Once created, an object's state cannot be changed.

    • 2. String Class: Strings in Java are immutable; any modification creates a new String object.

    • 3. Example: String s1 = "Hello"; s1 = s1 + " World!"; // s1 now points to a new String object.

    • 4. Advantages: Thread-safe, easier to cache, and can be used as...

  • Answered by AI
  • Q12. What is the difference between final, finally, and finalize in Java? Provide examples to illustrate their usage.
  • Ans. 

    final, finally, and finalize serve different purposes in Java: variable declaration, exception handling, and garbage collection respectively.

    • final: Used to declare constants. Example: final int MAX_VALUE = 100;

    • finally: Block that executes after try-catch, regardless of exceptions. Example: try { ... } catch { ... } finally { ... }

    • finalize: Method called by the garbage collector before an object is removed. Example: pro

  • Answered by AI
  • Q13. Explain the Singleton design pattern in Java. How can you implement it safely to ensure thread safety?
  • Q14. What are Java annotations, and how are they used in frameworks like Spring? Explain the difference between built-in and custom annotations.
  • Ans. 

    Java annotations provide metadata for classes, methods, and fields, enhancing functionality in frameworks like Spring.

    • Annotations are metadata that provide information about the program but are not part of the program itself.

    • In Spring, annotations like @Component, @Service, and @Controller are used for defining beans and their roles.

    • Built-in annotations include @Override, @Deprecated, and @SuppressWarnings, which serve...

  • Answered by AI
  • Q15. How do Java Streams handle parallel processing? What are the potential pitfalls of using parallel streams, and how can they be mitigated?
  • Ans. 

    Java Streams enable parallel processing for efficient data handling but come with potential pitfalls that need careful management.

    • Java Streams can be processed in parallel using the 'parallelStream()' method, which divides the workload across multiple threads.

    • Parallel streams utilize the Fork/Join framework, allowing tasks to be split and executed concurrently, improving performance for large datasets.

    • Potential pitfall...

  • Answered by AI
  • Q16. Explain the difference between ArrayList and LinkedList in Java. ArrayList is implemented as a dynamic array, while LinkedList is a doubly linked list. ArrayList provides fast random access (O(1) complexi...
  • Q17. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? The synchronized keyword ensures that only one thread can access a block of code at a time. It pr...
  • Q18. What is the difference between == and .equals() in Java? == checks for reference equality, meaning it compares memory addresses. equals() checks for value equality, which can be overridden in user-defined...
  • Q19. How does the Java garbage collector work? Garbage collection in Java automatically reclaims memory occupied by unused objects. The JVM has different types of GC algorithms, including Serial, Parallel, CMS...
  • Q20. What are the main features of Java 8? Java 8 introduced lambda expressions, enabling functional-style programming. The Stream API allows efficient data processing with map, filter, and reduce operations. ...
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

40 question and you have to solve all these and also mention your marks of graduation, they also select the people on the basic of 10, 12th marks,

Round 3 - Group Discussion 

They give the trending topic like what you learn from the covid19 and all the group discussion topic, and you have 5(for whole group not for only your) minutes and you are free to speak English or Hindi.

Round 4 - Technical 

(2 Questions)

  • Q1. In this round they asked about the technical skill and all you mention in your resume, Tell the full form of PHP.
  • Q2. What is role of DBA?
  • Ans. 

    A DBA is responsible for managing and maintaining databases, ensuring data integrity, performance, and security.

    • Designing and implementing database structures

    • Installing and configuring database software

    • Monitoring and optimizing database performance

    • Ensuring data security and backup

    • Troubleshooting and resolving database issues

    • Collaborating with developers and system administrators

    • Performing database upgrades and migratio

  • Answered by AI
Round 5 - HR 

(3 Questions)

  • Q1. Tell Me Something About Yourself, Your Family Background
  • Q2. How you want to work like front-end or back-end?
  • Ans. 

    I am comfortable working in both front-end and back-end development.

    • I have experience in both front-end and back-end technologies such as HTML, CSS, JavaScript, React, Node.js, and SQL.

    • I enjoy the creativity and design aspect of front-end development, as well as the problem-solving and logic aspect of back-end development.

    • I am adaptable and willing to work on whichever aspect is needed for the project at hand.

  • Answered by AI
  • Q3. If you get the offer form other company than you switch or not?
  • Ans. 

    It depends on various factors such as salary, benefits, growth opportunities, and work culture.

    • Consider the salary offered by the other company. If it is significantly higher, it may be worth considering the switch.

    • Evaluate the benefits package offered by the other company. If it includes better healthcare, retirement plans, or other perks, it could be a deciding factor.

    • Assess the growth opportunities in both companies...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Pie Infocomm Software Engineer interview:
  • Maths
  • Web Technologies
  • application
  • Java
  • PHP
  • DBMS
Interview preparation tips for other job seekers - Please be real and prepare the aptitude very hard , and Also keep your technical skill very sharp and clear,
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Jan 2023.

Round 1 - Technical 

(1 Question)

  • Q1. Some questions related to technical knowledge

Interview Preparation Tips

Topics to prepare for Pie Infocomm Software Developer interview:
  • Oops concepts
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Group Discussion 

They given current trending technology

Round 2 - Coding Test 

Paper written coding test

Round 3 - HR 

(2 Questions)

  • Q1. Good experience but didn't get offer
  • Q2. Nothing but good experience
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Simple mathematics and logic based questions requiring logical ability and problem solving skills of the candidate

Round 2 - Coding Test 

Easy questions about react javascript and oops with HR questions as well

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Case Study 

It was regarding the case study of Punjab National Bank and pnbmetlife.

Round 2 - Assignment 

It was regarding basic financial knowledge.

Interview Preparation Tips

Topics to prepare for Pie Infocomm Intern interview:
  • Basic financial knowledge
  • Fintech
Interview preparation tips for other job seekers - Either you have a very strong conceptual knowledge, companies will train you according to their need or a good internship and practical knowledge and skills.
Contribute & help others!
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Hoichoi Technologies Interview FAQs

How many rounds are there in Hoichoi Technologies interview?
Hoichoi Technologies interview process usually has 1-2 rounds. The most common rounds in the Hoichoi Technologies interview process are One-on-one Round and Case Study.
How to prepare for Hoichoi Technologies interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Hoichoi Technologies. The most common topics and skills that interviewers at Hoichoi Technologies expect are Full Stack, English, MongoDB, AWS and Campaign Management.

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Hoichoi Technologies Interview Process

based on 1 interview

Interview experience

5
  
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Hoichoi Technologies Reviews and Ratings

based on 19 reviews

2.5/5

Rating in categories

2.2

Skill development

2.9

Work-life balance

2.2

Salary

2.4

Job security

2.1

Company culture

1.9

Promotions

2.5

Work satisfaction

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