Essential Java Programming Concepts and Definitions
Unit I: Core Java Fundamentals
- OOP: A programming style that organizes software using objects containing data and methods.
- Encapsulation: Binding data and methods together while restricting direct access.
- Abstraction: Hiding complex details and showing only essential functionality.
- Inheritance: A mechanism where one class acquires properties and methods of another.
- Class & Object: A class is a blueprint defining properties and behaviors; an object is its runtime instance.
- Java Introduction: A platform-
Mastering Web Development: HTML, CSS, JS, and MongoDB
Differences Between XML and HTML
| XML | HTML |
|---|---|
| Extensible Markup Language | HyperText Markup Language |
| Used to store and transport data | Used to display data in a browser |
| User-defined tags | Predefined tags |
| Case-sensitive | Not case-sensitive |
| Strict syntax; errors are not tolerated | Flexible; errors are tolerated |
| Focus: Data | Focus: Presentation |
ID vs Class in HTML
| ID | Class |
|---|---|
| Unique for one element | Can be used for many elements |
| Used for JavaScript targeting | Used mainly for styling groups |
Syntax: #id in CSS | Syntax: .class in CSS |
| Example: |
Interfacing 4×4 Matrix Keypad with 8051 Microcontroller
Keypads: Input Devices for Embedded Projects
Keypads are widely used input devices in various electronics and embedded projects. They are used to take inputs in the form of numbers and alphabets, and feed the same into the system for further processing. In this tutorial, we will interface a 4×4 matrix keypad with the 8051 microcontroller.
Understanding the 4×4 Matrix Keypad
Before interfacing the keypad with the microcontroller, first, we need to understand how it works. A matrix keypad consists of
Read MoreCore Data Structures and Sorting Algorithms with C Examples
(a) List the various operations performed on Data Structures
Traversal → Accessing each data element once. Insertion → Adding an element at a specific position. Deletion → Removing an element from a structure. Searching → Finding the location of an element. Sorting → Arranging elements in ascending or descending order. Merging → Combining two structures into one. Updating → Modifying existing data.
(f) Sort using Insertion Sort
Given: 22, 36, 6, 79, 26, 45, 75
Stepwise Sorting:
[22] 36Read More
Vocational Program Admission Application Form
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Submit ApplicationHTML Web Page Structure
HTML documents follow a standard structure that web browsers understand:
| Element | Description |
|---|---|
<!DOCTYPE html> | Declares the document type and version of HTML. Required at the top. |
<html |
E-commerce and Database Concepts for Business & IT
Module 3: E-commerce
- E-commerce, or electronic commerce, refers to the act of performing business transactions, such as buying or selling goods, over the Internet.
- Business-to-Consumer (B2C) involves businesses selling products or services directly to individual customers.
- Business-to-Business (B2B) covers transactions between two businesses and represents the largest segment of e-commerce by dollar volume.
- Consumer-to-Consumer (C2C) facilitates transactions between individual people, often through