Konstant Infosolutions PHP Developer Interview Questions and Answers

Q1. Hoisting and scope
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Q2. Map, reduce, filter
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Q3. Const, let and var difference
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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

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
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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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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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Q1. How can you connect to a MySQL database in PHP?
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Q2. ......................................................................etc.
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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. What is the difference between include() and require() in PHP?
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include() and require() are both PHP functions used to include and evaluate external PHP files, but require() will cause a fatal error if the file is not found.
• include() will only produce a warning if the file is not found, while require() will produce a fatal error.

• require() is recommended when the file being included is essential for the script to run properly.

• include() is useful when including files that are not cri...read more
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Q2. 1- include() 2- requires()
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