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Broad coding and basic oops

Q1. About hr questions
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Basic php questions and laravel framework

Q1. What are the concepts of oops
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OOPs concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• 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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Q2. Pls explain all concepts of oops
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Object-oriented programming concepts include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability to create a new class that inherits attributes and methods from an existing class.

• Polymorphism: Ability to use a single interface to represent different data types or objects.

• Abstraction: Hiding the comple...read more
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Q1. Brief about yourself
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There was Aptitude, Technical and Coding. Coding there were 4 sections for 4 languages (C, C++, java, Python) We had to do atleast 2. Technical MCQs were based on OS, CN, DSA, C, C++, Python (Numpy, Panda) and Java

Q1. Mainly asked OS, and since I'm from EEE dept, i wasnt well versed in CN, so no CN questions were asked to me. My primary coding language was Python, so some questions regarding the python was asked. I was ...read more
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Q1. Please give an introduction of yourself.
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Q2. Your comfortable programming/coding language
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Q3. What is session in java?
Ans. 
Session in Java is a way to store information about a user across multiple requests.
• Session is used to maintain stateful information about a user.

• It is created when a user first accesses a web application and remains active until the user logs out or the session times out.

• Session data is stored on the server and can be accessed by multiple requests from the same user.

• It is commonly used for user authentication, shoppin...read more
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Q4. What is Java Class Library?
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Java Class Library is a collection of pre-compiled classes and methods that provide ready-to-use functionality for Java developers.
• Java Class Library contains classes for common tasks like input/output, networking, database access, etc.

• Developers can use these classes to save time and effort by reusing existing code.

• Examples include java.lang, java.util, java.io, java.net, etc.
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Q5. Types of datatypes in Java
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Java has several types of datatypes including primitive and reference types.
• Primitive datatypes include int, double, boolean, char, etc.

• Reference datatypes include classes, interfaces, arrays, etc.

• Examples: int age = 25; String name = "John"; int[] numbers = {1, 2, 3};

• Wrapper classes like Integer, Double, Boolean, etc. are used to wrap primitive types.
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Q6. One question was on SQL. (I had mentioned SQL in one of my academic projects)
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Q7. Please tell me What is HTML?
Ans. 
HTML stands for HyperText Markup Language. It is the standard markup language for creating web pages.
• HTML is used to structure content on the web.

• It uses tags to define elements such as headings, paragraphs, links, images, etc.

• HTML documents are interpreted by web browsers to display the content.

• Example:

  This is a heading
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Q8. How to change a div background colour?
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To change a div background color in Java, use the setBackground() method and pass the desired color as a parameter.
• Create a reference to the div element using its id or class

• Use the setBackground() method to set the background color

• Pass the desired color as a parameter to the setBackground() method
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Java spring boot microservices

Q1. Java spring boot microservices
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