Donyati Full Stack Software Developer Interview Questions and Answers

Aptitude questions and 3 coding questions

Q1. Reading, Writing and Audio listening and Speaking test
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Q2. Platform was Mercel Mettle
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Q1. Projects based questions and Job experience
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Q2. CS Fundamentals
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Q1. Job experience related questions
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Q1. Why choose Hexaware
Ans. 
Hexaware offers a collaborative work environment, cutting-edge technologies, and opportunities for growth and learning.
• Hexaware provides a collaborative work environment where developers can work together to solve complex problems.

• The company uses cutting-edge technologies and tools, allowing developers to stay up-to-date with the latest trends in software development.

• Hexaware offers opportunities for growth and learni...read more
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Q2. What do you know about Hexaware
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Hexaware is a global IT services company providing automation, cloud, and digital solutions.
• Hexaware was founded in 1990 and is headquartered in Mumbai, India.

• They offer services in areas such as application transformation, infrastructure management, and business process services.

• Hexaware has a strong focus on automation and digital technologies to help clients improve efficiency and innovation.

• The company has a global...read more
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Q1. Introduce yourself,core java
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Q1. Coding test, java , spring boot, Microservice,hibernate
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Train,direction,odd or eve nos,

Python dataframe coding

Q1. Always remember to flow- up
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Basic questions number, logical reasoning, apptitude, values, circle etc

Q1. Introduction to your self, which language do preference, Java, oops concepts
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Q2. Opp concepts , Java, HTML, CSS, javascript, PHP, python, SQL language questions basic knowledge
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Q3. Do you have completed any project
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Q4. What is method overloading
Ans. 
Method overloading is when multiple methods in a class have the same name but different parameters.
• Allows multiple methods with the same name but different parameters to be defined in a class

• The compiler determines which method to call based on the number and type of arguments passed

• Example: having multiple 'calculate' methods in a class with different parameter types like int, double, etc.
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Q1. What is closures in JS ?
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Closures in JavaScript are functions that have access to variables from their outer scope, even after the outer function has finished executing.
• Closures are created when a function is defined inside another function.

• The inner function has access to the outer function's variables, parameters, and even the outer function's return value.

• Closures are useful for creating private variables and data encapsulation.

• They can be ...read more
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Q2. Diff props and state ?
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Props and state are both used in React to manage and pass data, but they have different purposes and behaviors.
• Props are read-only and passed from parent components to child components.

• State is mutable and managed within a component.

• Props are used to pass data from a parent component to a child component.

• State is used to manage and update data within a component.

• Props are passed as attributes to a component in JSX.

• Stat...read more
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Q3. How to optimise the performance ?
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Performance optimization involves identifying and resolving bottlenecks to improve the efficiency of software.
• Identify and analyze performance bottlenecks

• Optimize algorithms and data structures

• Improve database performance through indexing and query optimization

• Use caching techniques to reduce database and network calls

• Minimize network latency by optimizing network requests

• Optimize front-end code by reducing DOM manipul...read more
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Q4. Diff between class based or function based component ?
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Class-based components are ES6 classes that extend React.Component, while function-based components are functions that return JSX.
• Class-based components are more feature-rich and have access to lifecycle methods.

• Function-based components are simpler and easier to read and test.

• Class-based components can have state and use lifecycle methods like componentDidMount and componentDidUpdate.

• Function-based components can use ...read more
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Q5. What is es6 features ?
Ans. 
ES6 (ECMAScript 2015) introduced several new features to JavaScript, enhancing its functionality and making it more efficient.
• Arrow functions: concise syntax for writing functions

• Let and const: block-scoped variables

• Template literals: easier string interpolation

• Destructuring assignment: extracting values from arrays or objects

• Spread syntax: expanding elements in arrays or objects

• Classes: syntactical sugar for creating ...read more
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Q1. What is abstract class
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Abstract class is a class that cannot be instantiated and is used as a blueprint for other classes to inherit from.
• Cannot be instantiated directly

• Can have abstract methods that must be implemented by subclasses

• Can have non-abstract methods that can be inherited by subclasses

• Used to define common behavior for subclasses
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Q2. What are access modifier
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Access modifiers are keywords in programming languages that define the accessibility of classes, methods, and variables.
• Access modifiers control the visibility and accessibility of classes, methods, and variables in a program.

• Common access modifiers include public, private, protected, and default (package-private).

• Public access modifier allows access from any other class.

• Private access modifier restricts access to only...read more
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Q1. Git version tool
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Q2. Project related question
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Q1. Salary expectation
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Q1. What is stored procedure?
Ans. 
Stored procedure is a precompiled collection of SQL statements that can be executed by calling the procedure name.
• Stored procedures are stored in the database and can be reused multiple times.

• They can accept input parameters and return output parameters.

• They help improve performance by reducing network traffic and improving security.

• Examples: sp_GetCustomerDetails, sp_InsertEmployee
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Q2. Difference between .net and c#
Ans. 
C# is a programming language while .NET is a framework that supports multiple languages including C#.
• C# is a programming language developed by Microsoft.

• .NET is a framework developed by Microsoft that supports multiple languages including C#.

• C# is used to write code, while .NET provides libraries and tools for building applications.

• C# code is compiled into Intermediate Language (IL) which runs on the .NET Common Langua
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