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D&K Technologies Interview Questions, Process, and Tips

Updated 20 Sep 2024

Top D&K Technologies Interview Questions and Answers

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5 interviews found

Trainee Interview Questions & Answers

user image Anonymous

posted on 22 Aug 2024

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

I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

8 part of mcq questions with verbal logical and analytical and technical question of 4 parts

Round 2 - Coding Test 

10 question of program in our choosen languages

Trainee Interview Questions asked at other Companies

Q1. Ques1: There is a big file of words which is dynamically changing. We are continuously adding some words into it. How would you keep track of top 10 trending words at each moment? Ques2:Write a function that returns the length of the longes... read more
View answer (2)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Mar 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Mathematical question , grammatical question

Round 2 - Technical 

(2 Questions)

  • Q1. What is oops and why we use it in java?
  • Ans. 

    OOPs stands for Object-Oriented Programming. It is used in Java to organize code into objects for better reusability, maintainability, and scalability.

    • OOPs allows for the creation of classes and objects, which encapsulate data and behavior together.

    • It promotes concepts like inheritance, polymorphism, encapsulation, and abstraction.

    • Using OOPs in Java leads to modular and organized code, making it easier to understand an...

  • Answered by AI
  • Q2. What are the access modifiers in java , why we use them?
  • Ans. 

    Access modifiers in Java control the visibility and accessibility of classes, methods, and variables.

    • Access modifiers include public, private, protected, and default (no modifier).

    • Public - accessible from any other class.

    • Private - only accessible within the same class.

    • Protected - accessible within the same package and subclasses.

    • Default - accessible only within the same package.

    • Access modifiers help in encapsulation, d

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. Introduce yourself?
  • Ans. 

    Experienced Java Developer with 5+ years of industry experience in developing web applications and software solutions.

    • 5+ years of experience in Java development

    • Strong knowledge of web application development

    • Proficient in software solution design

    • Familiar with Agile methodologies

    • Excellent problem-solving skills

  • Answered by AI
  • Q2. Tell me about your project?
  • Ans. 

    Developed a web application for online shopping with user authentication and payment gateway integration.

    • Used Java Spring framework for backend development

    • Implemented RESTful APIs for communication between frontend and backend

    • Integrated Stripe API for secure payment processing

  • Answered by AI

Skills evaluated in this interview

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more
View answer (3)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. What is react and define react components
  • Ans. 

    React is a JavaScript library for building user interfaces. React components are reusable, self-contained building blocks of a UI.

    • React is a JavaScript library for creating interactive UIs

    • React components are reusable and self-contained

    • Components can be nested within each other to create complex UI structures

    • Components can have their own state and lifecycle methods

    • React uses a virtual DOM to efficiently update the UI

  • Answered by AI
  • Q2. What is Hooks in react
  • Ans. 

    Hooks in React are functions that allow you to use state and other React features in functional components.

    • Hooks are introduced in React 16.8 as a way to write reusable logic in functional components.

    • They allow you to use state and other React features without writing a class.

    • Hooks provide a way to break down complex components into smaller, reusable functions.

    • Some commonly used hooks are useState, useEffect, useContex...

  • Answered by AI
  • Q3. Define props and its use
  • Ans. 

    Props are used in React to pass data from a parent component to a child component.

    • Props are read-only and cannot be modified by the child component

    • Props are passed as attributes to the child component in JSX

    • Props can be any type of data, including strings, numbers, objects, or even functions

    • Props can be used to customize the behavior or appearance of a component

    • Props can be accessed in the child component using the 'pr

  • Answered by AI
  • Q4. Why did you choose this company
  • Q5. Hshs hshsh hshshs hshshs shshhs

Skills evaluated in this interview

Web Developer Interview Questions asked at other Companies

Q1. Last Index of Element The task is to determine the index of the last occurrence of a specified element x within an array that may contain duplicate elements. If the element is not present, return -1. Input: The first line contains an intege... read more
View answer (1)

Java Developer Interview Questions & Answers

user image Jigar Parmar

posted on 5 Apr 2024

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

I applied via Naukri.com and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. What is interface?
  • Ans. 

    An interface in Java is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types.

    • Interfaces are used to define a contract for classes that implement them.

    • Classes can implement multiple interfaces, but can only extend one class.

    • Interfaces are used to achieve abstraction and multiple inheritance in Java.

    • Example: interface Animal { void eat

  • Answered by AI
  • Q2. What is Hibernate?
  • Ans. 

    Hibernate is an open-source Java framework that simplifies database operations by mapping Java objects to database tables.

    • Hibernate is an ORM (Object-Relational Mapping) tool.

    • It provides a way to map Java classes to database tables and Java data types to SQL data types.

    • Hibernate handles the mapping between Java objects and database tables, as well as the generation of SQL queries.

    • It simplifies database operations by al...

  • Answered by AI
  • Q3. What is abstract class?
  • Ans. 

    Abstract class is a class that cannot be instantiated and may contain abstract methods.

    • Cannot be instantiated directly

    • May contain abstract methods that must be implemented by subclasses

    • Can have both abstract and non-abstract methods

    • Used to define a common interface for subclasses

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Current package
  • Q2. Notice period and joining date

Skills evaluated in this interview

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more
View answer (3)

D&K Technologies interview questions for popular designations

 Java Developer

 (2)

 Python Developer

 (1)

 Web Developer

 (1)

 Trainee

 (1)

Round 1 - One-on-one 

(1 Question)

  • Q1. About my self intro and test my skill

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't worry about interview. Just one round f2f interview. Just they will test your skill

Python Developer Interview Questions asked at other Companies

Q1. Tell me the logic of program to reverse a given string word by word without using any built in function.
View answer (9)

Get interview-ready with Top D&K Technologies Interview Questions

Interview questions from similar companies

Java Developer Interview Questions & Answers

UBS user image Saloni Sharma

posted on 24 May 2024

Interview experience
2
Poor
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. AWS project related
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Indeed and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Technical 

(6 Questions)

  • Q1. Stringbuilder and string buffer diff
  • Q2. Where we store the object of string
  • Ans. 

    Objects of String are stored in the String Pool in Java.

    • String objects are stored in the String Pool, a special memory area in Java heap memory.

    • String literals are automatically stored in the String Pool.

    • String objects created using the new keyword are not stored in the String Pool.

    • String.intern() method can be used to store a String object in the String Pool.

  • Answered by AI
  • Q3. What is bean in springboot
  • Ans. 

    A bean in Spring Boot is a Java object that is instantiated, assembled, and managed by the Spring IoC container.

    • Beans are defined in the Spring configuration file or using annotations like @Component, @Service, @Repository, etc.

    • Beans are singleton by default but can be scoped as prototype, request, session, etc.

    • Beans are injected into other beans using dependency injection.

    • Example: @Component annotation is used to defi

  • Answered by AI
  • Q4. What is query parameters and path param
  • Ans. 

    Query parameters are used to pass data to a web server through the URL, while path parameters are part of the URL itself.

    • Query parameters are key-value pairs added to the end of a URL after a '?'

    • Path parameters are variables within the URL path itself, denoted by curly braces {}

    • Example of query parameter: www.example.com/api/users?id=123

    • Example of path parameter: www.example.com/api/users/{userId}

  • Answered by AI
  • Q5. Code snippet related to exception
  • Q6. Diff between exception and error
  • Ans. 

    Exceptions are recoverable errors that can be handled in code, while errors are unrecoverable issues that usually result in program termination.

    • Exceptions are checked at compile time, while errors are unchecked.

    • Exceptions are subclasses of Throwable, while errors are subclasses of Error.

    • Examples of exceptions include FileNotFoundException, NullPointerException, while examples of errors include OutOfMemoryError, StackOv

  • Answered by AI

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Jul 2022. There were 2 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 tips
Round 2 - HR 

(3 Questions)

  • Q1. Interested your self : thank you for giving opportunity to introduce myself . I am Dheeraj Jadhav I am from Karnataka my graduation completed in PDA College of Engineering Kalburgi my stream is Electron...
  • Q2. Tell me about hobbies: my hobbies is playing cricket watching movie and reading book and helping Nature.
  • Q3. Tell me about your technical skill: my technical skill is Java HTML and SQL

Interview Preparation Tips

Topics to prepare for Xyz Company Java Developer interview:
  • Semiconductor
  • Digital Electronics
Interview preparation tips for other job seekers - I am Happy to Join your company because It's very use full my career to learn and good technical skill .

I was interviewed in Oct 2021.

Round 1 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions on DSA and Java.

  • Q1. 

    Max Element After Update Operations

    Given an array A of size N, initialized with all zeros, and another array ARR of M pairs of integers representing operations. Each operation consists of a range where e...

  • Ans. 

    Find the maximum element in an array after performing a series of increment operations on specified ranges.

    • Initialize an array of size N with all zeros

    • Iterate through the operations and increment elements within specified ranges

    • Return the maximum element in the array after all operations

  • Answered by AI
  • Q2. Can you explain the internal working of a hash map in Java?
  • Ans. 

    HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.

    • HashMap internally uses an array of linked lists to store key-value pairs.

    • When a key-value pair is added, the key is hashed to find the index in the array where it will be stored.

    • If multiple keys hash to the same index, a linked list is used to handle collisions.

    • Retrieving a value involves hashi...

  • Answered by AI
  • Q3. Why do we need to override the equals and hashCode methods in Java?
  • Ans. 

    Overriding equals and hashCode methods in Java is important for proper object comparison and hashing.

    • Equals method is used to compare two objects for equality, while hashCode method is used to generate a unique integer value for an object.

    • By overriding equals and hashCode methods, we can ensure that objects are compared based on their actual content rather than memory address.

    • This is crucial for collections like HashMa...

  • Answered by AI
Round 2 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round with questions based around Java.

  • Q1. How can you print even and odd numbers in increasing order using two threads in Java?
  • Ans. 

    Use two threads to print even and odd numbers in increasing order.

    • Create two threads, one for printing even numbers and one for printing odd numbers.

    • Use a shared variable to keep track of the current number to be printed.

    • Synchronize access to the shared variable to ensure correct ordering of numbers.

    • Use a loop in each thread to print the next number and update the shared variable.

  • Answered by AI
  • Q2. What is the internal working of a CopyOnWrite ArrayList?
  • Ans. 

    CopyOnWriteArrayList creates a new copy of the underlying array whenever an element is added, modified, or removed.

    • CopyOnWriteArrayList is thread-safe and suitable for scenarios where reads are more frequent than writes.

    • Adding, modifying, or removing elements in CopyOnWriteArrayList creates a new copy of the underlying array, ensuring thread safety.

    • Iterators on CopyOnWriteArrayList operate on the original array and do

  • Answered by AI
  • Q3. What are the differences between Synchronized Collection and Concurrent Collection in Java?
  • Ans. 

    Synchronized Collection is thread-safe but may have performance issues, while Concurrent Collection is optimized for concurrent access.

    • Synchronized Collection uses synchronized keyword to achieve thread-safety, while Concurrent Collection uses non-blocking algorithms like CAS (Compare and Swap).

    • Synchronized Collection locks the entire collection during modification, leading to potential performance bottlenecks, while C...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMorgan Stanley interview preparation:Topics to prepare for the interview - Java, Data Structures, Algorithms, System Design, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Thread concept is must for Morgan Stanley. So prepare that on priority
Tip 2 : Basic concepts of Oops/collection framework should be clear. 
Tip 3 : Array based program will be asked so have some hands-on.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Nov 2022. There were 4 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Question were asked on basics of Java and SQL. Eg:- OOPS concepts, Collections
Round 3 - Technical 

(1 Question)

  • Q1. Questions were asked specific topics on Java and SQL again. This time it was moderate. Eg:- Exception Handling, Springboot, Subquery, Joins etc
Round 4 - HR 

(1 Question)

  • Q1. This round was normal and HR was explaining the company policies and discussed the package.

Interview Preparation Tips

Topics to prepare for Citicorp Java Developer interview:
  • Core Java
  • Advanced Java
  • Oracle

D&K Technologies Interview FAQs

How many rounds are there in D&K Technologies interview?
D&K Technologies interview process usually has 1-2 rounds. The most common rounds in the D&K Technologies interview process are Technical, Aptitude Test and One-on-one Round.
How to prepare for D&K 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 D&K Technologies. The most common topics and skills that interviewers at D&K Technologies expect are Search Engine Marketing, Content Writing, Recruitment and Search Engine Optimization.
What are the top questions asked in D&K Technologies interview?

Some of the top questions asked at the D&K Technologies interview -

  1. what are the access modifiers in java , why we use th...read more
  2. What is react and define react compone...read more
  3. what is oops and why we use it in ja...read more

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D&K Technologies Interview Process

based on 5 interviews

Interview experience

3
  
Average
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D&K Technologies Reviews and Ratings

based on 13 reviews

3.4/5

Rating in categories

3.5

Skill development

2.9

Work-life balance

2.9

Salary

2.5

Job security

2.8

Company culture

2.9

Promotions

3.2

Work satisfaction

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