Assistant Software Engineer

30+ Assistant Software Engineer Interview Questions and Answers

Updated 7 Jun 2024
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Q1. 2) What is multithreading, difference between multitasking and multiprocessing ?

Ans.

Multithreading is the ability of a CPU to execute multiple threads concurrently. Multitasking is the ability of an OS to run multiple tasks concurrently. Multiprocessing is the ability of a system to have multiple CPUs.

  • Multithreading allows for concurrent execution of multiple threads within a single process.

  • Multitasking allows for concurrent execution of multiple processes within an OS.

  • Multiprocessing allows for concurrent execution of multiple processes across multiple CPUs...read more

Q2. 1) What do you understand by "String is Immutable"

Ans.

String is Immutable means it cannot be changed once created.

  • Immutable means unchangeable or cannot be modified.

  • In programming, when we say string is immutable, it means that once a string object is created, its value cannot be changed.

  • Any operation that appears to modify a string actually creates a new string object with the modified value.

  • For example, if we concatenate two strings, a new string object is created with the concatenated value.

  • This is different from mutable obje...read more

Assistant Software Engineer Interview Questions and Answers for Freshers

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Q3. Why is inheritance important in our programming ? Explain it with an example and write a program using it

Ans.

Inheritance is important in programming as it allows for code reuse, promotes modularity, and enables polymorphism.

  • Inheritance allows us to create new classes that inherit the properties and methods of existing classes.

  • It promotes code reuse by allowing us to define common attributes and behaviors in a base class and extend it in derived classes.

  • Inheritance promotes modularity as it allows us to organize classes into a hierarchy, making the code more manageable and maintainab...read more

Q4. 1) Introduction 2) why python ... any project in python ? 3) what is list comprehension? 4) what is xml? 5) what is JSON ... similarities between json and html? 6) format specifier in C 7) what is intent ( rela...

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Ans.

The interview questions cover topics like Python, list comprehension, XML, JSON, format specifiers in C, intents in projects, use of GitHub, GSM messaging, and Bootstrap.

  • Python is chosen for its simplicity and readability, used in a project for data analysis.

  • List comprehension is a concise way to create lists in Python, like [x for x in range(10) if x%2==0].

  • XML is a markup language for storing and transporting data.

  • JSON is a lightweight data interchange format, similar to HTM...read more

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Q5. 6) What is graph data structure

Ans.

Graph data structure is a collection of nodes and edges that represent connections between them.

  • Nodes represent entities and edges represent relationships between them

  • Graphs can be directed or undirected

  • Examples include social networks, road networks, and computer networks

Q6. What is object oriented programming ?

Ans.

Object oriented programming is a programming paradigm that focuses on objects and their interactions.

  • Objects are instances of classes that encapsulate data and behavior.

  • Inheritance allows classes to inherit properties and methods from parent classes.

  • Polymorphism allows objects to take on multiple forms and behave differently based on context.

  • Encapsulation hides the implementation details of an object and only exposes a public interface.

  • Examples of object oriented programming ...read more

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Q7. Full form of RDBMS, HTTP, HTTPS, RAM, HTML, CSS etc.

Ans.

RDBMS - Relational Database Management System, HTTP - Hypertext Transfer Protocol, HTTPS - Hypertext Transfer Protocol Secure, RAM - Random Access Memory, HTML - HyperText Markup Language, CSS - Cascading Style Sheets

  • RDBMS: Relational Database Management System (e.g. MySQL, Oracle)

  • HTTP: Hypertext Transfer Protocol (used for communication between web servers and clients)

  • HTTPS: Hypertext Transfer Protocol Secure (encrypted version of HTTP)

  • RAM: Random Access Memory (temporary st...read more

Q8. Write a code without using modulus operator to find given number is odd or even.

Ans.

Code to determine if a number is odd or even without using modulus operator.

  • Use bitwise AND operator with 1 to check if the last bit is 0 or 1

  • If the result is 0, the number is even, else it is odd

Q9. 3) What is Generics?

Ans.

Generics allow classes, interfaces, and methods to be written with type parameters.

  • Generics provide type safety and reduce code duplication.

  • They allow for the creation of reusable code.

  • Examples include List, Dictionary, and Nullable.

  • Generics are used extensively in Java and C# programming languages.

Q10. What do u understand by GDP ?

Ans.

GDP stands for Gross Domestic Product, which is the total value of goods and services produced in a country in a given period.

  • GDP is a measure of a country's economic performance.

  • It includes all final goods and services produced within a country's borders.

  • It is calculated by adding up the value of all goods and services produced, minus the value of intermediate goods used in production.

  • GDP can be used to compare the economic performance of different countries or to track chan...read more

Q11. Do u know anything about cloud computing?

Ans.

Cloud computing is the delivery of computing services over the internet.

  • Cloud computing allows users to access data and applications from anywhere with an internet connection.

  • It offers scalability, flexibility, and cost-effectiveness compared to traditional on-premises computing.

  • Examples of cloud computing services include Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

Q12. What are the questions I attempted in codevita and what technology i used

Ans.

I attempted three questions in Codevita using Java and Python technologies.

  • I used Java for the first question which was based on string manipulation.

  • For the second question, I used Python to implement a dynamic programming solution.

  • The third question was related to graph theory and I used Java to solve it.

  • I also utilized various data structures and algorithms to optimize my solutions.

  • Overall, the experience of participating in Codevita was challenging and rewarding.

Q13. Explain the term rectifier and tunnel diode

Ans.

Rectifier converts AC to DC while tunnel diode has negative resistance.

  • Rectifier is an electronic device that converts alternating current (AC) to direct current (DC).

  • Tunnel diode is a type of diode that exhibits negative resistance.

  • Tunnel diode is used in microwave oscillators, amplifiers, and detectors.

  • Rectifiers are used in power supplies, battery chargers, and welding machines.

Q14. What is fifo algorithm explain with example

Ans.

FIFO (First-In-First-Out) algorithm is a method of organizing and manipulating data in a queue-like structure.

  • FIFO algorithm follows the principle of 'first come, first served'.

  • It operates on a queue data structure where the first element added is the first to be removed.

  • When a new element is added, it is placed at the end of the queue.

  • When an element is removed, the oldest element in the queue is removed.

  • Example: Consider a queue of people waiting in line. The person who arr...read more

Q15. Anything from ur daily life that uses artificial intelligence

Ans.

Smartphone personal assistants like Siri and Google Assistant use AI to assist in daily tasks.

  • Smartphone personal assistants use natural language processing to understand and respond to user requests

  • They can set reminders, make phone calls, send messages, and even control smart home devices

  • They learn from user behavior and adapt to provide more personalized assistance

  • Other examples include recommendation algorithms on streaming services and voice recognition technology in car...read more

Q16. What is polymorphism,inheritance?

Ans.

Polymorphism is the ability of an object to take on many forms. Inheritance is the mechanism of deriving new classes from existing ones.

  • Polymorphism allows objects of different classes to be treated as if they were objects of the same class.

  • Inheritance allows a class to inherit properties and methods from another class.

  • Polymorphism and inheritance are key concepts in object-oriented programming.

  • Example of polymorphism: a shape class with different subclasses like circle, squa...read more

Q17. Cut the pizza in 8 pieces in 3 strokes

Ans.

Cut pizza into 8 pieces in 3 strokes

  • Make two perpendicular cuts through the center of the pizza to get 4 equal pieces

  • Make a third cut through the center of one of the 4 pieces to get 8 equal pieces

  • Ensure the cuts intersect at the center of the pizza for even slices

Q18. What is a tunnel diode?

Ans.

A tunnel diode is a type of diode that exhibits negative resistance, allowing it to function as a high-speed switch or oscillator.

  • Tunnel diodes are made of heavily doped p-n junctions.

  • They have a unique feature called tunneling effect, where electrons can pass through the energy barrier.

  • Tunnel diodes have a negative resistance region in their current-voltage characteristic curve.

  • They are used in high-frequency applications, such as microwave oscillators and amplifiers.

Q19. What is an operating system?

Ans.

An operating system is a software that manages computer hardware and software resources.

  • It acts as an interface between the user and the computer hardware.

  • It provides services such as memory management, process management, and device management.

  • Examples include Windows, macOS, Linux, and Android.

  • It allows multiple applications to run simultaneously.

  • It provides security features such as user authentication and access control.

Q20. DBMS Any coding languages that you prefer Projects

Ans.

I am proficient in SQL and prefer Java for coding. I have worked on projects involving database design and optimization.

  • Proficient in SQL for database management

  • Prefer Java for coding

  • Worked on projects involving database design and optimization

Q21. What is deadlock

Ans.

Deadlock is a situation where two or more processes are unable to proceed because they are waiting for each other to release resources.

  • Deadlock occurs when two or more processes are blocked and unable to continue executing.

  • It happens when each process is holding a resource and waiting for another resource held by another process.

  • Deadlock can be prevented by using techniques like resource allocation graph and banker's algorithm.

  • Examples of resources that can cause deadlock inc...read more

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Q22. Explain Inheritance with Code Example

Ans.

Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

  • Allows for code reusability and promotes a hierarchical relationship between classes

  • Derived class can access the members of the base class

  • Types of inheritance include single, multiple, multilevel, and hierarchical

  • Example: class Animal { ... } class Dog extends Animal { ... }

  • Example: class Shape { ... } class Circle extends Shape { ... }

Q23. Write the sentence ai just said

Ans.

The sentence I just said is 'Write the sentence ai just said'

  • Repeat the sentence 'Write the sentence ai just said'

  • Write down the sentence 'Write the sentence ai just said'

  • The sentence is 'Write the sentence ai just said'

Q24. Difference between c++ and java

Ans.

C++ is a statically typed language with manual memory management, while Java is a dynamically typed language with automatic memory management.

  • C++ is compiled directly to machine code, while Java is compiled to bytecode and runs on a virtual machine (JVM)

  • C++ supports multiple inheritance, while Java supports only single inheritance through classes and multiple inheritance through interfaces

  • C++ has pointers and allows direct memory manipulation, while Java does not have pointer...read more

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Q25. Difference between GitHub and Git

Ans.

GitHub is a web-based platform for hosting and collaborating on Git repositories.

  • GitHub is a web-based platform for hosting Git repositories.

  • Git is a version control system that tracks changes in files.

  • GitHub provides additional features like issue tracking, pull requests, and project management.

  • Git is a command-line tool used for version control.

Q26. What is SOLD and explain

Ans.

SOLD stands for Software Object Linking and Embedding. It is a technology that allows objects to be linked or embedded in documents.

  • SOLD is a technology used in software development to link or embed objects in documents.

  • It allows for dynamic updating of linked objects in documents.

  • SOLD is commonly used in applications like Microsoft Office for embedding charts or tables in documents.

Q27. What is throw and throws

Ans.

throw is used to explicitly throw an exception in a method, while throws is used in method signature to declare the exceptions that can be thrown by the method.

  • throw keyword is used to throw an exception within a method.

  • throws keyword is used in method signature to declare the exceptions that can be thrown by the method.

  • Example: throw new Exception("Error message");

  • Example: public void method() throws IOException, SQLException {}

Q28. Explain challenges faced

Ans.

As an Assistant Software Engineer, I have faced challenges related to project deadlines, technical complexities, and collaboration.

  • Meeting project deadlines

  • Dealing with technical complexities

  • Collaborating with team members

Q29. What is expected ctc

Ans.

The expected CTC (Cost to Company) is the salary package that the company is willing to offer to the Assistant Software Engineer.

  • The expected CTC is usually discussed during the interview process to ensure that both the candidate and the company are aligned on salary expectations.

  • It is important to research the market rates for Assistant Software Engineers in the specific location and industry to have a realistic expectation.

  • Factors such as the candidate's experience, skills,...read more

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Q30. Explain Polymorphism

Ans.

Polymorphism is the ability of a function or method to behave differently based on the object it is called with.

  • 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: Animal class with methods like eat() can be inherited by Dog and Cat classes which can override the eat() method.

  • Example: Function overloading in Java where mu...read more

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Q31. Pillers Of OOPs

Ans.

Pillars of OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism.

  • 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.

  • Abstraction: Hiding the complex implementation details and showing only the necessary features.

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

Q32. Types of inheritance

Ans.

Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and so on.

  • Single inheritance: a class inherits from only one base class.

  • Multiple inheritance: a class inherits from more than one base class.

  • Multilevel inheritance: a class inherits from a class which in turn inherits from another class.

  • Hierarchical inheritance: multiple classes inherit from a single base class.

  • Hybrid inheritance: a combination of multiple and multilevel inheritance.

  • Example: clas...read more

Q33. collections in java

Ans.

Collections in Java are data structures that store and manipulate groups of objects.

  • Collections framework provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating data.

  • Collections offer methods for adding, removing, and accessing elements in a structured way.

  • Collections in Java are type-safe, meaning they can only store objects of a specific type.

  • Example: List names = new ArrayList<>(); names.add("Alice");

Q34. oops concept in java

Ans.

Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.

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

  • Encapsulation hides the internal state of an object and only exposes necessary functionalities.

  • Polymorphism allows objects of different classes to be treated as objects of a common superclass.

  • Abstraction focuses on the essential features of an object while hiding un...read more

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Q35. Simple OOPS concept

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 reusable and modular code by organizing data into objects.

  • It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

  • For example, a class 'Car' can have objects like 'Toyota', 'Honda', etc., each with their own properties and methods.

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