Saint-Gobain Front end Developer Interview Questions and Answers

2 String matching on given string

Q1. What is optimizer s
Ans. 
An optimizer is a software tool or algorithm used to improve the performance of a system by minimizing errors or maximizing efficiency.
• Optimizers are commonly used in programming languages to improve code execution speed and reduce memory usage.

• Examples of optimizers include compiler optimizers, database query optimizers, and machine learning model optimizers.

• Optimizers work by analyzing code or data to identify ineffi...read more
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Q2. What is LsTM s
Ans. 
LSTM stands for Long Short-Term Memory, a type of recurrent neural network (RNN) architecture.
• LSTM networks are designed to overcome the vanishing gradient problem in traditional RNNs.

• They are capable of learning long-term dependencies in data sequences.

• LSTM networks have gates (input, output, forget) that regulate the flow of information within the network.

• They are commonly used in tasks such as speech recognition, la
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Q1. What is stack overloading?
Ans. 
Stack overloading occurs when the stack memory is exceeded due to excessive function calls or large local variables.
• Occurs when the stack memory limit is exceeded

• Caused by excessive function calls or large local variables

• Can lead to stack overflow error
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Q2. What are acsess specifiers
Ans. 
Access specifiers determine the level of access to classes, methods, and variables in object-oriented programming languages.
• Access specifiers include public, private, protected, and default.

• Public allows access from any other class.

• Private restricts access to only within the same class.

• Protected allows access within the same package and subclasses.

• Default (no specifier) restricts access to only within the same package.
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Q3. What is class and object
Ans. 
A class is a blueprint for creating objects, while an object is an instance of a class.
• A class defines the properties and behaviors of objects.

• An object is a specific instance of a class.

• Objects can have their own unique values for properties defined in the class.

• Classes can be used to create multiple objects with similar characteristics.

• Example: Class 'Car' defines properties like 'color' and 'model', while an object
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Q4. Expalin oops concepts?
Ans. 
OOPs concepts are fundamental principles of object-oriented programming, including 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 imple...read more
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There was a aptitude test of 60 questions

Coding test having 2 questions

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Graduated with a degree in Computer Science

• Worked on various projects using Java and Python

• Familiar with web development technologies like HTML, CSS, and JavaScript
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Q2. Explain oops concept in detail
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

• Key principles of OOPs include Inheritance, Encapsulation, Polymorphism, and Abstraction

• Inheritance allows a class to inherit properties and behavior from another class

• Encapsulation involves bundling data and method...read more
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1hour,Time and Speed,Time and work

1 hour,Data Structure

Q1. 1 hour, Final Year Project
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Q1. Java opps concept
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Q2. App cycle status
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Basic level of Q asked based on math ,english and programming

Easy to medium level 7 Q asked and minimum 4 is compulsory for crack next round

Q1. It was like personal interview asked about familiy background and all
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Q1. Telle about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Familiar with Agile methodologies

• Worked on projects involving database management systems

• Continuous learner and always looking to improve
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Q2. Deep knowledge in node js
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Verbal reasoning
Logical reasoning
Analytical thinking

Common titles like culture , agricuture

Q1. Why we use CAN in automotive?
Ans. 
CAN is used in automotive for reliable and real-time communication between electronic control units.
• CAN allows for communication between various electronic control units in a vehicle

• It is reliable and can handle real-time data transmission

• CAN is widely used in automotive for applications such as engine control, transmission control, and more
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Q2. What does a CAN frame look like ?
Ans. 
A CAN frame is a data structure used in Controller Area Network (CAN) communication, consisting of an identifier, data, and control bits.
• A CAN frame typically consists of an 11-bit or 29-bit identifier, which helps prioritize messages on the bus.

• It also includes a data field, which can range from 0 to 8 bytes depending on the protocol version.

• Control bits like the start of frame, arbitration field, control field, data ...read more
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Q1. What is your current location? Are you able to commute to the office location?
Ans. 
I am currently located in downtown Seattle and I am able to commute to the office location.
• Located in downtown Seattle

• Able to commute to office location

• Have reliable transportation
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Q2. What is your expected salary?
Ans. 
My expected salary is based on my experience, skills, and the market rate for software developers.
• Consider my years of experience in software development.

• Take into account my specialized skills and certifications.

• Research the current market rate for software developers in this location.

• Be open to negotiation based on the overall compensation package offered.
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