Cohesity Associate Software Engineer Interview Questions and Answers

Q1. Common Elements in two Sorted Linked List
Ans. 
Finding common elements in two sorted linked lists.
• Traverse both lists simultaneously using two pointers.

• Compare the values of the nodes pointed by the two pointers.

• If they are equal, add the value to the result list and move both pointers.

• If not, move the pointer pointing to the smaller value.

• Repeat until one of the lists is fully traversed.
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Q2. Kth element after merging two sorted arrays
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Finding the Kth element after merging two sorted arrays.
• Merge the two sorted arrays into a single array.

• Sort the merged array.

• Return the Kth element from the merged and sorted array.
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Q3. A good amount of OOPS?DBMS questions, small keywords used in project, data flow in projects were asked
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Q1. Detailed concepts about OOPS and DBMS
Ans. 
OOPS is a programming paradigm based on objects while DBMS is a software system for managing databases.
• OOPS focuses on encapsulation, inheritance, and polymorphism

• DBMS manages data through CRUD operations and supports ACID properties

• Examples of OOPS languages include Java, C++, and Python

• Examples of DBMS include MySQL, Oracle, and SQL Server
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Q2. Detailed study and questions about project.
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Q1. Knowledge about latest technologies
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Q2. Why they should hire me?
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Q3. Why oracle? followed by questions from computer networks, OOPS, DBMS and a bit from major CS fundamentals.
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String manipulation problems from geeks for geeks with some medium and hard problems in DSA from leetcode

Q1. String manipulation and tree twisted problems
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Q2. Some 2d matrix popular problems like sudoku
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Q3. Graph basic level implementation
Ans. 
Graph implementation involves creating nodes and edges to represent data and relationships.
• Nodes represent data points and edges represent relationships between them

• Graphs can be directed or undirected

• Common graph algorithms include BFS, DFS, and Dijkstra's algorithm
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Q1. Puzzles to test decision making abilities
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Q2. Some theory technical questions in Java and springboot.
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Q3. What is string pool ?
Ans. 
String pool is a cache of string literals stored in memory for efficient reuse.
• String pool is a part of Java's memory management system.

• It stores a collection of unique string literals to save memory.

• When a new string is created, it is first checked in the pool and reused if already present.

• String pool can be accessed using the intern() method.

• Example: String s1 = "Hello"; String s2 = "Hello"; s1 and s2 will point to t
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Q4. Why strungs are not mutavle in java ?
Ans. 
Strings are immutable in Java to ensure thread safety and prevent unintended changes.
• Immutable objects are safer to use in multi-threaded environments

• String pool optimization is possible because of immutability

• StringBuffer and StringBuilder classes are available for mutable string operations
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Q1. Basic discussion like salary and other benefit
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Q2. Why you choose oracle ?
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Q3. How you overcome challenges?
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They give me 4 questions which were pretty average i got 3 out of 4 right

They gave me a python coding problem which was kind of hard

10 Questions from core subjects such as OS DBMS OOPS and CN and 2 questions for integrating APIs with and returning required data in any language. Platform: Hackerrank

2 coding questions:
1. Find the missing number in an array
2. LRU Cache
Solved the above two in 20 minutes. This was followed by questions related to my projects which included questions related to MERN stack, WebRTC, Sockets, etc.

2 coding questions:
1. Bitwise DP
2. Follow up (didn’t have to solve this one just approach was fine)

Followed by some questions from SQL

Q1. Why do you want to join Oracle? Why are you not going for higher studies and why do you prefer to work now? Where do you see yourself in the next 5 years? Some DBMS concepts like normalisation, ACID proper...read more
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First round was online assessment consisting of aptitude and coding questions.

Q1. First round consisted of coding 3 questions. String reversal , binary to decimal, finding index of word "golden" in given sentence.
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Q1. It involved questions related to my resume and computer networks and basics of c++.
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Questions were easy to moderate level from leetcode

Q1. I didn't get selected, but if you clear the 1st round coding and aptitude aswell then you will be allowed to this round, some 25 to 30 were selected and 6 were given offer letter.focus on coding aswell as ...read more
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Easy 1 dsa and 35 mcqs

Q1. All oops concepts in detail
Ans. 
Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the ne
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Q2. Linked list implementation and some questions
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