NTT Data Core Php Developer Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Oops concepts in PHP
Ans. 
Object-oriented programming concepts in PHP
• Encapsulation: bundling data and methods that operate on the data into a single unit

• Inheritance: allowing a class to inherit properties and methods from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details and showing only the necessary features
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Q1. How to connect to PHP to SQL ?
Ans. 
To connect PHP to SQL, use functions like mysqli_connect or PDO to establish a connection and execute queries.
• Use mysqli_connect function to establish a connection with MySQL database

• Use PDO class to connect to various types of databases like MySQL, PostgreSQL, etc.

• Execute SQL queries using functions like mysqli_query or PDO::query
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Q2. Full form of PHP?
Ans. 
Hypertext Preprocessor
• Stands for Hypertext Preprocessor

• Server-side scripting language

• Used for web development

• Open source and free to use
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Q3. Haepar text pre prosesar
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Q4. Php and SQL opsn sorss language
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Q1. Tell me about yourself
Ans. 
I am a dedicated PHP developer with 5 years of experience in building web applications and websites.
• Experienced in PHP programming language

• Skilled in developing web applications and websites

• Proficient in using frameworks like Laravel and CodeIgniter

• Familiar with front-end technologies like HTML, CSS, and JavaScript
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Q1. Tell me your current project
Ans. 
I am currently working on developing a web application for an e-commerce platform.
• Using PHP to create dynamic web pages

• Integrating payment gateways for online transactions

• Implementing user authentication and authorization

• Optimizing database queries for better performance
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Asked simple tricky questions

Q1. Class Dependency Injection
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Q2. Questions was asked from oops concepts
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Aptitude test , technical

Q1. Core Java topics
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Q2. Class and object
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Q3. String function
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Q4. Expecting handling
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Q5. Inheritance in java
Ans. 
Inheritance in Java allows a class to inherit properties and behavior from another class.
• Inheritance is achieved using the 'extends' keyword in Java.

• Subclasses inherit fields and methods from their superclass.

• Java does not support multiple inheritance, but a class can implement multiple interfaces.

• Example: class Dog extends Animal {}
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HTML, Css, PHP, MySQL....ect

Q1. Full stack s/w developer questions
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Q2. What is full form of CSS, html,sql
Ans. 
CSS - Cascading Style Sheets, HTML - HyperText Markup Language, SQL - Structured Query Language
• CSS stands for Cascading Style Sheets and is used for styling web pages

• HTML stands for HyperText Markup Language and is used for creating the structure of web pages

• SQL stands for Structured Query Language and is used for managing and manipulating databases
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Q3. What is databse?
Ans. 
A database is a structured collection of data that is stored and accessed electronically.
• A database organizes data into tables, rows, and columns.

• It allows for efficient storage, retrieval, and manipulation of data.

• Examples of databases include MySQL, PostgreSQL, and MongoDB.
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Q4. What is class and object?
Ans. 
A class is a blueprint for creating objects in object-oriented programming. An object is an instance of a class.
• A class defines the properties and behaviors of objects.

• An object is a specific instance of a class.

• Objects can interact with each other through methods defined in their classes.

• Example: Class 'Car' defines properties like 'color' and behaviors like 'drive'. An object 'myCar' can be created from this class.

• Ex...read more
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Q5. Why are do job in Full stack developer??
Ans. 
Full stack developers have a wide range of skills and can work on both front-end and back-end development, making them versatile and in high demand.
• Full stack developers can work on all aspects of a project, from database design to user interface.

• They can easily switch between front-end and back-end tasks, making them valuable team members.

• Having knowledge of multiple technologies allows full stack developers to troubl...read more
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Q1. Tell me something about my self
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Q2. Why should we hire you
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Q3. Salary expectation
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