CSG International Software Development Engineer Intern Interview Questions and Answers

There are Coding questions as well as aptitude questions

Q1. 2-3 Puzzles checking your presence and instant thought processes
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Q2. 2-3 Easy DSA problems in order to test ur
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Q1. What are fetaures of Java?
Ans. 
Java is a popular programming language known for its platform independence, object-oriented features, and robust libraries.
• Platform independence - Java programs can run on any platform that has a Java Virtual Machine (JVM)

• Object-oriented - Java supports the principles of encapsulation, inheritance, and polymorphism

• Robust libraries - Java has a vast collection of libraries for various tasks such as networking, database
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Q2. What is exception handling and why it is important?
Ans. 
Exception handling is a mechanism to handle runtime errors in a program to prevent crashes and ensure graceful error recovery.
• Allows for graceful handling of runtime errors

• Prevents program crashes

• Ensures proper error recovery

• Helps in debugging and maintaining code

• Examples: try-catch blocks in Java, catch blocks in C++
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Q3. What is inheritance?
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Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access public and protected members of the base class

• Example: Class Car can inherit from class Vehicle to reuse commo
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Q4. What is abtract class?
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Abstract class is a class that cannot be instantiated and may contain abstract methods that must be implemented by subclasses.
• Cannot be instantiated directly

• May contain abstract methods

• Subclasses must implement abstract methods

• Used for defining common behavior for subclasses
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Q1. Why you want to join eClinicalWorks
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Q2. Why we should hire you
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Karet Interview :
5 back to back System design question, we don't need to explain each component but more like list as many as points. Need to finish all the question in 15min

1-2 problem solving question : It's not fency algorithm round with tough question. But true problem solving round using basic knowledge such as hashmap, heap

Q1. Design File System : You have given file size and collection in input 1 : get total size 2 : find top k collections in size
Ans. 
Design a file system to calculate total size and find top k collections in size.
• Create a file system class with methods to add files and calculate total size.

• Maintain a data structure to store the collections and their sizes.

• Implement a method to find the top k collections based on size.

• Consider using a priority queue or sorting the collections based on size.

• Handle edge cases like empty collections or invalid input siz
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Q2. Find total size
Ans. 
Calculate the total size of an array of strings.
• Iterate through the array and sum the length of each string.

• Use the `length` property of each string to get its size.

• Handle edge cases such as empty strings or null values.
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Q3. Find Top k collections
Ans. 
The question is asking to find the top k collections.
• Use a sorting algorithm to sort the collections in descending order based on a specific criteria.

• Select the top k collections from the sorted list.

• Return the selected collections as an array of strings.
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