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Coditas Technologies Interview Questions and Answers for Freshers
29 Interview questions
Inheritance is a fundamental concept in OOP, allowing classes to derive properties and behaviors from other classes.
Single Inheritance: A class inherits from one superclass. Example: Class B inherits from Class A.
Multiple Inheritance: A class inherits from multiple superclasses. Example: Class C inherits from Class A and Class B.
Multilevel Inheritance: A class inherits from a superclass, which is also a subclass o...
Red is a vibrant color associated with warmth, passion, and energy, often linked to emotions and sensations.
Red can be described as the warmth of the sun on your skin during a summer day.
It represents the feeling of excitement, like the rush of adrenaline when you achieve something.
Think of the taste of a ripe strawberry, sweet and intense, which can evoke the essence of red.
Red is often associated with strong emo...
Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class Car with properties like make, model, and methods like start(), stop().
Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from Class Car.
Polymorphism: Ability to presen...
Extract numbers from a string of alphanumeric characters.
Iterate through each character in the string and check if it is a number.
Build a new string with only the numbers found in the original string.
Return the final string containing only the numbers.
Rotate Array Problem involves shifting elements of an array to the right by a specified number of positions.
Use the modulo operator to handle cases where the number of rotations exceeds the array length. Example: For array [1,2,3,4,5] and k=7, effective k=2.
Reverse the entire array, then reverse the first k elements and the remaining elements. Example: For [1,2,3,4,5] and k=2, reverse to [5,4,3,2,1], then [4,5,3,2...
Check if any two strings in the list are anagrams of each other
Iterate through the list and for each string, sort the characters and check if it already exists in a hashmap
If it exists, then the current string is an anagram of the existing string
Return true if anagrams are found, false otherwise
Find duplicates in a list of elements.
Iterate through the list and keep track of elements seen so far
If an element is already in the seen elements, it is a duplicate
Use a hash set to efficiently check for duplicates
Code to get unique elements of an array of strings
Create a Set to store unique elements
Iterate through the array and add elements to the Set
Convert the Set back to an array to get unique elements
Python is a high-level, interpreted programming language known for its simplicity and readability.
Python uses indentation to define code blocks, making it easier to read and understand.
Python has a large standard library with built-in functions and modules for various tasks.
Python supports multiple programming paradigms, including procedural, object-oriented, and functional programming.
Python is dynamically typed,...
Polymorphish is a term used to describe the ability of a programming language to allow different data types to be used interchangeably.
Polymorphish allows for flexibility in coding by allowing variables to hold different types of data.
It is a key feature in object-oriented programming languages like Java and C++.
For example, a function can accept different types of parameters and return different types of values b...
Coditas Technologies Interview Experiences for Freshers
28 interviews found
Anonymous
I applied via Campus Placement and was interviewed in Aug 2024. There were 3 interview rounds.
5G technology, 2 mins to prepare, Calls out name and then we have to turn on camera and speak.
Impact of E-commerce on bricks and motors
(6 Questions)
- Q1. Introduce Yourself
- Ans.
I am a recent graduate with a degree in Computer Science and a passion for software development.
Graduated with a Bachelor's degree in Computer Science
Proficient in programming languages such as Java, Python, and C++
Completed internships at tech companies like Google and Microsoft
Interested in machine learning and artificial intelligence
- Q2. Research Internship based questions on python which I mentioned in my Resume
- Q3. Doctype Html - Why is it mentioned? HTML - Inline and block elements
- Q4. What is OOP? Explain its five pillars.
- Ans.
OOP stands for Object-Oriented Programming. Its five pillars are encapsulation, inheritance, polymorphism, abstraction, and composition.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Creating new classes by inheriting attributes and methods from existing classes.
Polymorphism: Objects of different classes can be treated as objects of a common superclass.
Abstrac...
- Q5. SQL - Select query syntax and types of join
- Ans.
SQL select query syntax and types of join
SQL SELECT query syntax: SELECT column1, column2 FROM table_name WHERE condition
Types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
Example: SELECT orders.order_id, customers.customer_name FROM orders INNER JOIN customers ON orders.customer_id = customers.customer_id
- Q6. JAVA - DSA Questions 1. For range 1 to 100, if number divisible by 3 print "Zig", if number divisible by 5 print "Zag" and if divisible by both print "Zig-Zag". 2. Find second largest element in a given ar...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview in Jul 2024.
First round was GD1 - We were given a Topic of Democracy in India and have 5 mins to think on it..
Second round was GD2 - here, the Topic was "if you could have a superpower for one day what superpower you will choose" and we have to talk on this topic for 5 mins
(3 Questions)
- Q1. Four pillars of OOPS with real world examples
- Ans.
Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class Car with properties like make, model, and methods like start(), stop().
Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from Class Car.
Polymorphism: Ability to present the...
- Q2. Solve Rotate Array Problem
- Ans.
Rotate Array Problem involves shifting elements of an array to the right by a specified number of positions.
Use the modulo operator to handle cases where the number of rotations exceeds the array length. Example: For array [1,2,3,4,5] and k=7, effective k=2.
Reverse the entire array, then reverse the first k elements and the remaining elements. Example: For [1,2,3,4,5] and k=2, reverse to [5,4,3,2,1], then [4,5,3,2,1] a...
- Q3. 8-10 questions asked on my Programming language (C++)
(4 Questions)
- Q1. Question asked on Final year project - what's your Contribution in the project
- Q2. Explain your Final year project
- Ans.
Developed a web-based project management system for tracking tasks and deadlines
Used HTML, CSS, JavaScript for front-end development
Implemented PHP and MySQL for back-end functionality
Incorporated user authentication and role-based access control
Utilized AJAX for dynamic content loading
- Q3. Some logical question and puzzles
- Q4. There was alphanumeric characters and we have to output only the number from that string Input - "wih562idjedk42ndej56" Output - 5624256
- Ans.
Extract numbers from a string of alphanumeric characters.
Iterate through each character in the string and check if it is a number.
Build a new string with only the numbers found in the original string.
Return the final string containing only the numbers.
(2 Questions)
- Q1. As a team Leader, how you manage all your team members when there is a conflict or disagreement arise in the project
- Ans.
As a team leader, I manage conflicts by promoting open communication, listening to all perspectives, finding common ground, and facilitating a resolution.
Encourage open communication among team members to address conflicts early on
Listen to all perspectives and ensure everyone feels heard and understood
Identify common ground and areas of agreement to build consensus
Facilitate a resolution by guiding the team towards a ...
- Q2. Some , Behavioural questions
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 3 interview rounds.
The first round was group discussion; which was conducted by an institution referring candidates to the company. I was shortlisted.
The next round was also conducted by the company itself, and it was group discussion again, it went well. I believe there were around 12 candidates in one batch, and I was shortlisted. And I got the selection mail for the final technical interview, but then they call me and say I'm kept on hold and never contacted me.
(1 Question)
- Q1. I was kept on hold thus i never got the chance of attending the interview.
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Dec 2023. There were 2 interview rounds.
My topic was - "Do women make good managers?"
There was a google meet having a total of 20 people.
5 groups were made of 4 people each.
Each group were given different topic and every member was given 2 minutes to speak on the topic.
Good thing about this GD round was everyone was given chance to speak individually.
Finally I got selected in this round.
(9 Questions)
- Q1. Suppose you want to add the link to your Linkedin account in a website, and you have to do it by clicking on the logo of linkedin in the website, then how can you do it? Which HTML tag is used to do it?
- Ans.
To add a link to your Linkedin account in a website by clicking on the logo, use the <a> tag with the href attribute set to your Linkedin profile URL.
Use the <a> tag with the href attribute set to your Linkedin profile URL
Insert the Linkedin logo image inside the <a> tag as the clickable element
Example: <a href='https://www.linkedin.com/in/yourprofile'><img src='linkedin_logo.png' alt='Linked...
- Q2. Difference between div and span
- Ans.
div is a block-level element while span is an inline element in HTML.
div is used to group block-level elements and create sections on a webpage.
span is used to style inline elements or group text within a block-level element.
div elements create a line break before and after the element, while span does not.
- Q3. - What is JDBC in java? - What is JVM and the use of it? - We write "public static void main" in java.... will it work if we write "static public void main"? If yes, then why, what is the reason that it wo...
- Ans.
JDBC is a Java API for connecting and executing queries on a database.
JDBC stands for Java Database Connectivity.
It provides a set of classes and interfaces to interact with databases.
JDBC allows developers to write database-independent code.
It supports various database operations like connecting, querying, updating, and deleting data.
JDBC drivers are used to establish a connection between Java application and database...
- Q4. One major difference between OOPs concept of C++ and OOPs concept of java
- Ans.
C++ supports multiple inheritance while Java supports single inheritance.
C++ allows a class to inherit from multiple classes, while Java only allows a class to inherit from a single class.
In C++, a class can have multiple parent classes, resulting in a complex class hierarchy.
Java enforces single inheritance to avoid the diamond problem and maintain simplicity.
For example, in C++, a class can inherit from both a 'Vehic...
- Q5. Types of databases
- Ans.
Types of databases include relational, NoSQL, object-oriented, and graph databases.
Relational databases store data in tables with predefined schemas, using SQL for querying (e.g. MySQL, Oracle)
NoSQL databases are schema-less and provide flexible data models (e.g. MongoDB, Cassandra)
Object-oriented databases store objects as they are, with support for inheritance and encapsulation (e.g. db4o)
Graph databases use nodes an...
- Q6. Difference between SQL based database and NoSQL based databases
- Ans.
SQL databases are structured and use a fixed schema, while NoSQL databases are unstructured and have a flexible schema.
SQL databases use structured query language for defining and manipulating the data.
NoSQL databases use various data models like key-value, document, columnar, or graph.
SQL databases are suitable for complex queries and transactions.
NoSQL databases are horizontally scalable and provide high performance ...
- Q7. If you are given a task and you have to decide which type of database will be best for this task, then how will you decide that?
- Ans.
The choice of database depends on factors like data structure, scalability, performance, and query requirements.
Consider the data structure and relationships between entities.
Evaluate the scalability requirements of the task.
Analyze the performance needs, including read and write operations.
Assess the query requirements, such as complex joins or aggregations.
Examples: relational databases for structured data, NoSQL for...
- Q8. Examples of relational and non-relational databases
- Ans.
Relational databases store data in tables with predefined relationships. Non-relational databases store data in flexible, schema-less formats.
Relational databases: MySQL, Oracle, SQL Server
Non-relational databases: MongoDB, Cassandra, Redis
Relational databases use structured query language (SQL) for data manipulation
Non-relational databases provide high scalability and flexibility
Relational databases are suitable for c...
- Q9. Given a string = "as145egs14ghs2ghe7896", add the numbers present in the string, the consecutive numbers should be taken as a complete one number. i.e. you have to print the result of 145+14+2+7896 = ?
- Ans.
The task is to add the consecutive numbers present in a given string.
Iterate through the string character by character
Check if the current character is a digit
If it is a digit, continue iterating until a non-digit character is encountered
Convert the consecutive digits into a number and add it to the sum
Repeat the process until all characters are processed
Return the sum
Interview Preparation Tips
I got rejected in the first technical interview round only because I was not at all prepared for the interview. But if you have decent web development knowledge and basic DSA, then you can crack it.
Also, DO NOT put anything in your resume that you are not confident with.
Basic HTML, CSS, Javascript is very important.
Interviewer was friendly and was explaining me everything very nicely wherever I was wrong.
Skills evaluated in this interview
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What is polymorphism
- Ans.
Polymorphism allows methods to do different things based on the object it is acting upon, enhancing flexibility in programming.
Polymorphism is a core concept in Object-Oriented Programming (OOP).
It allows methods to be defined in multiple forms.
Example: A function 'draw()' can be used for both 'Circle' and 'Square' classes.
There are two types: compile-time (method overloading) and runtime (method overriding).
Example of...
- Q2. What are the types of inheritance
- Ans.
Inheritance is a fundamental concept in OOP, allowing classes to derive properties and behaviors from other classes.
Single Inheritance: A class inherits from one superclass. Example: Class B inherits from Class A.
Multiple Inheritance: A class inherits from multiple superclasses. Example: Class C inherits from Class A and Class B.
Multilevel Inheritance: A class inherits from a superclass, which is also a subclass of ano...
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. Python,c++ mostly based on resume
- Q2. Coding on DSA
Mayur Gunjal
(2 Questions)
- Q1. Duplicate in list
- Ans.
Find duplicates in a list of elements.
Iterate through the list and keep track of elements seen so far
If an element is already in the seen elements, it is a duplicate
Use a hash set to efficiently check for duplicates
- Q2. Anagram in list
- Ans.
Check if any two strings in the list are anagrams of each other
Iterate through the list and for each string, sort the characters and check if it already exists in a hashmap
If it exists, then the current string is an anagram of the existing string
Return true if anagrams are found, false otherwise
Skills evaluated in this interview
I appeared for an interview in Apr 2024.
GD was amazing we were asked to talk on that particular topic for 5 min.
In second GD round we were given a topic , first group of 5 clusters were made and then very individual were given chance to speak
(2 Questions)
- Q1. What is polymorphish
- Ans.
Polymorphish is a term used to describe the ability of a programming language to allow different data types to be used interchangeably.
Polymorphish allows for flexibility in coding by allowing variables to hold different types of data.
It is a key feature in object-oriented programming languages like Java and C++.
For example, a function can accept different types of parameters and return different types of values based ...
- Q2. What is overriding
- Ans.
Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its superclass.
Overriding allows a subclass to provide a specific implementation of a method that is already defined in its superclass.
The method in the subclass must have the same name, return type, and parameters as the method in the superclass to override it.
Example: clas...
Interview Preparation Tips
Mohd Usman Barkaati
(2 Questions)
- Q1. What is OOPS concept
- Q2. Data base management features
- Ans.
Database management features include data storage, retrieval, indexing, and security.
Data storage: ability to store large amounts of data efficiently
Data retrieval: ability to quickly access and retrieve specific data
Indexing: optimizing data retrieval by creating indexes on columns
Security: ensuring data is protected from unauthorized access
20 questions thats all
Good, Overall they give time for topics
Interview Preparation Tips
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