Konstant Infosolutions React Native Developer Interview Questions and Answers

20 questions were there and enough time was given. Questions were easy to medium

Q1. Basics of programming were asked. You will be asked to make logic for the given problem.
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Q2. Star pattern, Fibonacci series, swap two numbers without third variable
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Q1. They simply check your communication skills and behaviour
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Java basics questions. Some patterns to print and oops concepts

Q1. Introduction and why you join software industry
Ans. 
I joined the software industry because of my passion for problem-solving and creating innovative solutions.
• Passion for problem-solving

• Interest in technology and innovation

• Opportunity to create impactful solutions

• Love for coding and programming

• Desire to be part of a fast-paced and dynamic industry
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Q2. What is your salary expectation
Ans. 
I expect a competitive salary based on my skills, experience, and the market rate for software developers.
• Consider the average salary range for software developers in your location

• Research the salary range offered by similar companies in the industry

• Factor in your years of experience and any specialized skills you possess

• Be prepared to negotiate and discuss benefits in addition to salary

• Example: I expect a salary in th
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Q1. They arrange with under experienced interviewer any one can pass through it
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Q1. HR round will honey bath one you as you treat as a king
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Q1. In trend java questions
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Q1. Advance java questions, questions related to microservice and java 8
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Q1. What is the difference between an abstract class and an interface in object-oriented programming?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have method implementations, while interface cannot.

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

• Interfaces are used to define contracts for classes to implement, while abstract classes are used to provide a common base for subclasses.

• Example: Abstr...read more
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Q2. Abstract classes can have implemented methods; interfaces can only have declarations (before JAVA 8).
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Q1. Hoisting and scope
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Q2. Map, reduce, filter
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Q3. Const, let and var difference
Ans. 
const, let, and var are used to declare variables in JavaScript with different scoping and mutability.
• const: declares a variable with a constant value that cannot be reassigned

• let: declares a block-scoped variable that can be reassigned

• var: declares a function-scoped variable that can be reassigned
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Create a small UI in 1 hour

Q1. React hooks , class components, react navigation , usedipatch , useSelector
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Q1. What is closure
Ans. 
A closure is a self-contained block of code that can be passed around and used in your code.
• Closures capture and store references to any constants and variables from the context in which they are defined.

• Closures are similar to functions, but can be written without a name.

• Closures can take parameters and return values.

• Closures can be used as arguments to functions or stored as properties.

• Example: { (parameters) -> r
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Q2. What are protocols
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Protocols in iOS are a set of rules or guidelines that define methods, properties, and other requirements for a particular task or functionality.
• Protocols define a blueprint of methods, properties, and other requirements that a class or struct must adopt.

• They are similar to interfaces in other programming languages.

• Classes, structs, and enums can adopt protocols to conform to the defined requirements.

• Protocols can be u...read more
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