eQ Technologic Senior Software Engineer Interview Questions and Answers

Q1. What is session? Where are session stored? Difference between 3tier architecture and 3layared architecture? What is SOA? Why we need WebApi? What is REST and RESTful? What are return types in WebApi?
Ans. 
Questions related to web development and architecture
• Session is a way to store user-specific data on the server-side

• Session can be stored in-memory, on the server's file system, or in a database

• 3-tier architecture separates presentation, application logic, and data storage

• 3-layered architecture separates presentation, business logic, and data access

• SOA is a design pattern where software components communicate with each...read more
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Q1. Many scenario based questions based on the skills in resume and on the projects worked
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Coderbyte assessment

Q1. Questions on front end, angular and live question to build small feature on angular. Then simple questions on problem solving, js,html and css
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Q1. Managerial Questions
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Q1. Discussed about my tech stack and how i will be a fit for codecraft
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The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
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Q2. What is the difference between an interface and an abstract class?
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Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
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Q1. What is the full stack development?
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Q2. Involves working n both the frontend and backend(server) of a web application.
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Give 10 questions from node js backend

Q1. Ask about angular and node js
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Q2. What is package.json
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package.json is a file used in Node.js projects to manage dependencies, scripts, and metadata.
• It is a JSON file that contains information about the project, such as name, version, dependencies, and scripts.

• It is used to manage project dependencies by listing them in the 'dependencies' and 'devDependencies' fields.

• It allows developers to define scripts for tasks like building, testing, and running the project.

• Example: {...read more
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Q3. What is components in angular,how share data to component
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Components in Angular are building blocks of an application. Data can be shared between components using input properties and output events.
• Components in Angular are reusable, self-contained units of code that define a part of the user interface.

• Data can be shared to a component using input properties, where data is passed from the parent component to the child component.

• Data can also be shared from a child component t...read more
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Q4. What is === and == ,and wher use === is real time projects
Ans. 
=== is strict equality operator, while == is loose equality operator. === is commonly used in real-time projects for accurate comparisons.
• === is a strict equality operator that checks both value and type of operands

• == is a loose equality operator that only checks the value of operands

• === is commonly used in real-time projects to ensure accurate comparisons and prevent unexpected type coercion issues
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Q5. Write arrow function syntax
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Arrow function syntax in JavaScript
• Arrow functions are concise syntax for writing function expressions in JavaScript

• They have a shorter syntax compared to traditional function expressions

• They do not have their own 'this', 'arguments', 'super', or 'new.target' keywords
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Q6. What is difference between arrow function and anonymous function
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Arrow functions are concise syntax for writing function expressions, while anonymous functions do not have a name.
• Arrow functions have a shorter syntax compared to anonymous functions.

• Arrow functions do not have their own 'this' keyword, while anonymous functions do.

• Arrow functions do not have 'arguments' object, while anonymous functions do.

• Arrow functions are not hoisted, while anonymous functions are hoisted.
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Q1. What are the main principles of the Java
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Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
• Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.

• Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.

• Automatic memory management: Java uses garbage collection to automatically m
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Q2. What is the different between == and equals method
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The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
• The == operator is used to compare the memory addresses of two objects in Java.

• The equals method is used to compare the content of two objects in Java.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
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Pen and paper test
C and C++ output questions
Basic flowchart question
Only 3 out of 60 students were selected

Q1. After writing about your project CFO will take interview my tech stack didn't meet companies requirement hence all three students were rejected.
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Python question was there and it was average level not tough

Simple coding questions which was good to go

Q1. General ops concepts
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Q1. Coding with technical questions
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Q1. General questions
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