Coditas Technologies Interview Questions, Process, and Tips for Freshers

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.

Q1. I was kept on hold thus i never got the chance of attending the interview.
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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.

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
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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.
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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...read more
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...read more
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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...read more
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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...read more
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Q6. Difference between SQL based database and NoSQL based databases
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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 ...read more
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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
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Q8. Examples of relational and non-relational databases
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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...read more
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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
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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
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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
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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

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
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Q2. What is overriding
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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...read more
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Q1. What is OOPS concept
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve a problem

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation

• Example: Inheritance allows a class to inherit properties and behavior from another class
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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
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20 questions thats all

Good, Overall they give time for topics