ZeMoSo Technologies Software Development Engineer 3 Interview Questions and Answers

They asked some general Quantitative and logical questions and code snippets.

Q1. String Reverse and Two Sum
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Q2. Related to my projects and Tech Stacks
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Q1. This is the Second technical round. The interviewer asked about everything from my project.
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Q2. Asked some sql queries like joins and set operation
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Code Snept question with 3-4 Reasoning question. Google form

Pen paper coding round. String , Array . Linkedlist , graph, questions

Q1. Maximum Spaning
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Q2. Nearest Prime number
Ans. 
To find the nearest prime number, iterate from the given number in both directions until a prime number is found.
• Start iterating from the given number in both directions to find the nearest prime number.

• Check if a number is prime by dividing it by all numbers less than its square root.

• Keep track of the closest prime number found during the iteration.
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Q3. Second Maximum Number in Array
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Find the second maximum number in an array of strings.
• Convert the array of strings to an array of integers.

• Sort the array in descending order.

• Return the second element in the sorted array.
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Q1. Project Question
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Q2. Robot question of DSA
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Q3. Stock Buy and sell - VI . Leetcode Hard
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Q4. Leetcode Medium
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Assignment includes Aptitude, Reasoning, 1 Coding Question (Medium Level), 1 SQL Query based Q and an essay writing (3 essays in 15 minutes each of atleast 200 Words).

Q1. Introduction and why not Java?
Ans. 
Java is a popular programming language, but other languages may be more suitable for certain projects or preferences.
• Java is a statically typed language, which may lead to more verbose code compared to dynamically typed languages like Python or JavaScript.

• Some developers prefer languages like Python for data analysis and machine learning projects due to its extensive libraries and ease of use.

• For web development, JavaS...read more
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Q2. Tell about JDBC,JVM, JDK, JRE, Servlets etc. only a bit as i am not from java background.
Ans. 
JDBC, JVM, JDK, JRE, and Servlets are key components in Java development.
• JDBC (Java Database Connectivity) is used to connect Java applications to databases.

• JVM (Java Virtual Machine) is the runtime environment for Java programs.

• JDK (Java Development Kit) is a software development kit for developing Java applications.

• JRE (Java Runtime Environment) is required to run Java applications on a computer.

• Servlets are Java cla...read more
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Q3. Tell about OOPS in C++ (Static Keyword, 4 Pillars,Class vs Struct).
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Q4. Code on online compiler for Overloading and overriding of functions.
Ans. 
Overloading and overriding are two important concepts in object-oriented programming that allow functions to have multiple definitions.
• Overloading: defining multiple functions with the same name but different parameters

• Example: int add(int a, int b) and int add(int a, int b, int c)

• Overriding: redefining a function in a subclass that is already defined in the superclass

• Example: superclass has a method display() and subc
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Q5. 4 SQL Queries based on simple concepts and Syntax based Q on View, Alter, Create Db etc.
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Q6. Eager to learn Java and why choose MongoDb.
Ans. 
I am eager to learn Java because of its widespread use in software development. I choose MongoDB for its flexibility and scalability in handling large volumes of data.
• Java is a popular programming language used for developing a wide range of applications, from web to mobile.

• Learning Java will open up opportunities for me to work on various projects and collaborate with other developers.

• MongoDB is a NoSQL database known...read more
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Q1. Introduction about myself
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Q2. What you know about the role
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Q3. What you know about revature working and clients.
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Q4. About salary structure and willing to relocate.
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Q5. About siblings and fight with them
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Q6. Will tell the results after 3 Weeks and that's it.
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Q1. Given the react machine coding example
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Q1. Explain about your projects
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In the coding test, there were 2 problems based on arrays and hashing (easy to medium level leetcode)

Q1. Several OOP questions were asked.... like, Can we have a class inside an interface? Can we have a static constructor? Can we have multiple main methods?
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Q2. DBMS question: Normalization questions and keys concepts.
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Q1. DSA question (stack based) You have a stack full of numbers, you have to arrange them in ascending order in the same stack without using any other data structure.
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Q2. OS and DBMS questions(sharding, semaphores, etc.)
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Q1. Questions based on Consultadd principles.
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Q1. 3 sum coding problem
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Q2. System design and projects
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Q1. A Lot of OOPS and Virtual concept
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Q2. Basic SQL till joins
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Q3. Java script medium
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Q4. C# oops output based
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