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Prodapt Interview Questions and Answers

Updated 5 Feb 2024

Q1. What is the meaning of S in Opps?

Ans.

S in OOPs stands for 'Single Responsibility Principle'

  • Single Responsibility Principle states that a class should have only one reason to change

  • It helps in making the code more modular and maintainable

  • For example, a class that handles user authentication should not also handle sending emails

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Q2. What do you mean by API

Ans.

API stands for Application Programming Interface. It is a set of protocols, routines, and tools for building software applications.

  • API allows different software applications to communicate with each other

  • It defines how software components should interact

  • APIs can be public or private

  • Examples of APIs include Google Maps API, Twitter API, and Facebook API

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Q3. What is PHP and its full form?

Ans.

PHP stands for Hypertext Preprocessor. It is a server-side scripting language used for web development.

  • PHP is an open-source language

  • It is used to create dynamic web pages

  • PHP code is executed on the server side

  • It can interact with databases like MySQL

  • Popular CMS like WordPress, Drupal, and Joomla are built on PHP

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Q4. Why DS is callData Structure?

Ans.

DS stands for Data Structure because it is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.

  • Data structures are used to organize and store data in a way that makes it easy to access and manipulate.

  • Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.

  • Data structures are an important part of computer science and are used in many different applications, from databases to video games.

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Q5. Difference between jdk jre jvm

Ans.

JDK is a development kit, JRE is a runtime environment, and JVM is a virtual machine that executes Java code.

  • JDK includes JRE and development tools like javac and java

  • JRE includes JVM and necessary libraries to run Java applications

  • JVM is responsible for interpreting Java bytecode and executing it

  • Different versions of JDK, JRE, and JVM may be installed on the same machine

  • JDK is used for developing Java applications, JRE is used for running them

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Q6. Html and css difference

Ans.

HTML is used for structuring content on a webpage, while CSS is used for styling and formatting that content.

  • HTML stands for HyperText Markup Language and is used to create the structure of a webpage.

  • CSS stands for Cascading Style Sheets and is used to style the HTML elements on a webpage.

  • HTML uses tags to define elements like headings, paragraphs, and images.

  • CSS uses selectors to target specific HTML elements and apply styles like colors, fonts, and layout.

  • HTML is responsibl...read more

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Q7. Normalization explains

Ans.

Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

  • Normalization involves breaking down a database into smaller, more manageable tables

  • Each table should have a primary key and only contain data that is related to that key

  • Normalization helps to prevent data inconsistencies and anomalies

  • There are different levels of normalization, with each level building on the previous one

  • Examples of normalization include converting r...read more

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Q8. Briefly explain Opps Comcept

Ans.

OOPs is a programming paradigm based on the concept of objects, which can contain data and code.

  • OOPs stands for Object-Oriented Programming

  • It focuses on creating objects that interact with each other to solve a problem

  • It includes concepts like inheritance, encapsulation, polymorphism, and abstraction

  • Example: A car object can have properties like color, model, and methods like start, stop, and accelerate

  • It helps in creating modular, reusable, and maintainable code

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