Pragmatic Play Interview Questions and Answers

They first had an online assessment with 4 coding questions on the CodeTantra Platform. 1 easy question , 1 medium suffix sum and 2 DP questions. You were then shortlisted directly for the interviews.

Q1. Tell me about yourself.
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Q2. Do you know React or Angular?
Ans. 
Yes, I am proficient in React and have experience working with Angular as well.
• Proficient in React for building user interfaces

• Experience working with Angular for front-end development

• Familiar with component-based architecture in both React and Angular
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Q3. How does an internet webpage work and get the right content to be displayed?
Ans. 
An internet webpage works by sending a request to a server, which then processes the request and sends back the necessary content to be displayed.
• When a user enters a URL in a web browser, the browser sends a request to a server hosting the webpage.

• The server processes the request, retrieves the necessary files (HTML, CSS, JavaScript, images, etc.), and sends them back to the browser.

• The browser then renders the conten...read more
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Q4. Coding question wherein you had to swap two strings without using a 3rd variable
Ans. 
Swap two strings in an array without using a third variable through arithmetic operations.
• Use XOR operation: str1 = str1 XOR str2; str2 = str1 XOR str2; str1 = str1 XOR str2.

• For example, if str1 = 'hello' and str2 = 'world', after swapping, str1 = 'world' and str2 = 'hello'.

• This method works for numeric values but can be adapted for strings by converting them to their ASCII values.

• Another approach is to concatenate: st...read more
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1 Medium Ds/Algo problem and Basic js and output question on promises.

Easy but moderate but

Q1. Difficult but easy and easy
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Coding challenges and typical JavaScript and react questions.

An assignment using react.js

Q1. Overall position questions
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Q1. Overall experience questions
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Q1. Basic quesitions
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Questions related to probability, bayes theorem and some algorithm

Q1. They ask some question in teams about probability, binomial distribution, normal distribution.
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Q2. What is a linked list?
Ans. 
A linked list is a data structure where each element points to the next element in the sequence.
• Consists of nodes where each node contains data and a reference to the next node

• Allows for dynamic memory allocation

• Common operations include insertion, deletion, and traversal

• Example: Singly linked list, Doubly linked list
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Q1. Do u know about poker, rummy?
Ans. 
Yes, I am familiar with both poker and rummy.
• I understand the rules and strategies of both poker and rummy.

• I am aware of the different variations of poker such as Texas Hold'em and Omaha.

• I know how to play rummy and understand the importance of melding and discarding cards.

• I am familiar with the concept of hand rankings in poker and the scoring system in rummy.
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Q2. Give an real life example of normal distribution
Ans. 
Normal distribution is a bell-shaped curve where data is symmetrically distributed around the mean.
• Data points cluster around the mean

• 68% of data falls within one standard deviation of the mean

• Examples include height and weight of individuals in a population
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Q1. Start doing coding c sharp
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Q1. Can u go to noida for training?
Ans. 
Yes, I can go to Noida for training.
• I am willing to travel to Noida for training.

• I am flexible with location for training purposes.

• I understand the importance of training and am willing to make necessary arrangements to attend in Noida.
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Asking about the reasoning and aptitude.

Q1. What ai the purpose of java
Ans. 
Java is a programming language used to create applications that can run on any platform.
• Java is used to develop desktop, web, mobile, and enterprise applications.

• It is known for its platform independence, allowing programs to run on any device with a Java Virtual Machine (JVM).

• Java is object-oriented, making it easier to organize and manage code.

• It is widely used in the development of Android apps, server-side applicat...read more
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Q2. What is Oops concept
Ans. 
Oops concept stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
• Oops concept focuses on creating objects that contain both data and methods to manipulate that data.

• It allows for encapsulation, inheritance, and polymorphism.

• Encapsulation refers to the bundling of data with the methods that operate on that data within a single unit.

• Inheritance allows a class to inh...read more
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Q3. Explain hash map internal working
Ans. 
Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.

• Hash map provides constant time complexity O(1) for insertion, dele...read more
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Q4. Asking about the concurrent modification exception.
Ans. 
ConcurrentModificationException occurs when a collection is modified while iterating over it.
• Occurs in Java when a thread modifies a collection while another thread is iterating over it.

• Example: Using an ArrayList in a for-each loop and adding/removing elements during iteration.

• Can be avoided by using Iterator's remove() method or using concurrent collections like CopyOnWriteArrayList.

• Common in multi-threaded environme...read more
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Q1. Explain the JDBC concept and templates
Ans. 
JDBC is a Java API for connecting and executing SQL queries on a database. Templates provide reusable code for common database operations.
• JDBC stands for Java Database Connectivity, allowing Java programs to interact with databases.

• JDBC provides classes and interfaces for connecting to a database, sending queries, and retrieving results.

• JDBC templates are pre-defined code structures that simplify common database operat...read more
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Q2. What are type of JDBC connections
Ans. 
There are two types of JDBC connections: Type 1 and Type 4.
• Type 1: JDBC-ODBC bridge driver, requires ODBC driver to connect to the database

• Type 4: Direct-to-database pure Java driver, no need for additional software

• Type 4 is more commonly used due to better performance and platform independence
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Q3. What is the servlet life cycle
Ans. 
The servlet life cycle refers to the stages a servlet goes through from initialization to destruction.
• Initialization: Servlet is loaded, instantiated, and initialized.

• Servicing client requests: Servlet handles client requests by calling service() method.

• Destruction: Servlet is removed from service and destroyed by the container.
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Write a palindrome program

They game one exception which are they faced in their local environment.
They gave their laptop and access the tools
They ask what should you in this situation

Q1. They are asking Current ctc
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Q2. What you are expecting from us
Ans. 
I am expecting a supportive work environment, opportunities for growth, and challenging technical issues to solve.
• Supportive team to collaborate with

• Opportunities for professional development and training

• Challenging technical issues to solve, such as complex network configurations or software bugs
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Q1. They should ask about the memory leakagees in java
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Q2. They should ask the how you manage the external pressure and how you deliver your fixes ider the pressure.
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