Continental Software Development Engineer Interview Questions and Answers

Aptitude round consists of aptitudes and some pseudocode snippets to solve and it also had one medium level coding question and one hard level coding question.

Q1. Write a pattern pyramid number in Java
Ans. 
Pattern pyramid number in Java
• Use nested loops to print the pyramid pattern

• Increment the number in each row

• Handle spaces for proper alignment
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Q2. Write a C program to find Factorial of a number
Ans. 
A C program to find the factorial of a number using recursion
• Use a recursive function to calculate the factorial

• Handle the base case when the number is 0 or 1

• Multiply the number with the factorial of (number-1) in each recursive call
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Q3. What is Little endian and Big endian in C
Ans. 
Little endian and Big endian are byte ordering formats in which multi-byte data is stored in memory.
• Little endian: Least significant byte is stored at the lowest memory address.

• Big endian: Most significant byte is stored at the lowest memory address.

• Example: In Little endian, the number 0x12345678 is stored as 78 56 34 12 in memory.

• Example: In Big endian, the same number is stored as 12 34 56 78 in memory.
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Q4. Why do you use Docker and Git
Ans. 
I use Docker for containerization to easily manage and deploy applications, and Git for version control to collaborate and track changes.
• Docker allows for consistent development environments across different machines

• Git helps track changes, collaborate with team members, and revert to previous versions if needed

• Both tools improve efficiency and productivity in software development
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Q5. Draw architecture diagram for your Machine Learning Project
Ans. 
The architecture diagram for a Machine Learning project typically includes data preprocessing, model training, evaluation, and deployment stages.
• Data preprocessing stage involves cleaning, transforming, and preparing the data for model training.

• Model training stage includes selecting the appropriate algorithm, training the model on the data, and tuning hyperparameters.

• Evaluation stage involves assessing the model's per...read more
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Q1. Tell me about your family
Ans. 
I come from a close-knit family of four, including my parents and younger sister.
• My parents have always been supportive of my career choices and encouraged me to pursue my passion for software engineering.

• My younger sister is currently studying computer science and we often collaborate on coding projects together.

• Family gatherings are important to us and we enjoy spending quality time together, whether it's celebrating
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Q2. Which is your favorite subject and why
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Q3. What will you do if you get rejected in this round
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Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method from its parent class, providing different func
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Q2. Why You choose java
Ans. 
I chose Java for its platform independence, strong community support, and extensive libraries.
• Platform independence allows Java code to run on any device with a JVM

• Strong community support ensures access to resources and help when needed

• Extensive libraries provide pre-built solutions for common programming tasks
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Q1. How would you preprocess the raw data
Ans. 
Preprocessing raw data involves cleaning, transforming, and organizing data to make it suitable for analysis.
• Remove any irrelevant or duplicate data

• Handle missing values by imputation or deletion

• Normalize or standardize numerical data

• Encode categorical variables using techniques like one-hot encoding

• Feature scaling for machine learning algorithms

• Perform text preprocessing like tokenization and stemming
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Q2. How would you specify a solution that has been already existing
Ans. 
Specify the existing solution by documenting its architecture, components, technologies used, and any modifications made.
• Document the architecture of the solution, including high-level components and their interactions

• List the technologies used in the solution, such as programming languages, frameworks, and databases

• Describe any modifications or customizations made to the existing solution

• Include any performance metric...read more
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Q1. What was your most difficult taks at work and how did you deal with it?
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Q1. What is difference between mallock ( C ) and "new" ( C++ )
Ans. 
malloc is a function in C used to allocate memory dynamically, while 'new' is an operator in C++ used for the same purpose.
• malloc is a function in C, while 'new' is an operator in C++.

• malloc returns a void pointer, while 'new' returns a pointer of the specified type.

• malloc does not call constructors, while 'new' calls constructors for the allocated memory.

• malloc requires manual memory deallocation with free(), while 'n...read more
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Moderate level aptitude but cutoff was at 75%

Q1. Mainly c, aptitude
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Related to dbms,os,networking

Q1. Basics of computer science
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Q2. Introduce yourself, about family etc..
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Q3. What is unix shell
Ans. 
Unix shell is a command-line interpreter that provides a user interface for interacting with the operating system.
• It is a program that takes commands from the keyboard and gives them to the operating system to perform.

• It allows users to execute commands, run scripts, manage files, and perform various other tasks.

• Common Unix shells include Bash, Zsh, and Ksh.

• Shell scripting is a powerful tool for automating tasks and wr
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Q4. Python basics such as list, tuples
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Q5. Why should we hire you
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Assignments with Reasoning and maths etc.