free Java Full Course Notes for Beginners to Become Pro Developer 15 Lakh Packeg

Introduction to Java

Java is a versatile and widely-used programming language known for its portability, performance, and object-oriented nature. This comprehensive course is designed to provide beginners with a solid foundation in Java programming. Let's dive into the basics and gradually progress to more advanced concepts.


Table of Contents

Getting Started with Java

Installing Java Development Kit (JDK)

Setting up an Integrated Development Environment (IDE)

Understanding the Basics

Variables and Data Types

Operators

Control Flow (if statements, loops)

Object-Oriented Programming (OOP)

Classes and Objects

Inheritance

Polymorphism

Encapsulation

Abstraction

Working with Java Data Structures

Arrays

Lists

Maps

Sets

Exception Handling

Try, Catch, Finally

Custom Exceptions

File Handling in Java

Reading and Writing to Files

Buffered Streams

Introduction to Java GUI

Swing and JavaFX

Creating Basic UI Components

Event Handling

Multithreading in Java

Basics of Threads

Synchronization

Networking in Java

Socket Programming

URL and HTTP Connections

Java Database Connectivity (JDBC)

Connecting to a Database

Performing CRUD Operations

Introduction to Java Frameworks

Spring Framework Overview

Hibernate Overview

1. Getting Started with Java

Installing Java Development Kit (JDK)

To start coding in Java, you need to install the Java Development Kit (JDK). Visit the official Oracle website or use a package manager like apt or brew to install JDK.

Setting up an Integrated Development Environment (IDE)

Choose an IDE that suits your preferences. Popular choices include Eclipse, IntelliJ IDEA, and Visual Studio Code. Configure the IDE to use the installed JDK.

2. Understanding the Basics

Variables and Data Types

In Java, variables hold data. Declare variables using data types like int, double, String, etc. For example:

java

Copy code

int age = 25;

double salary = 50000.5;

String name = "John";

Operators

Java supports various operators such as arithmetic, relational, logical, and assignment operators. Learn how to use them for calculations and comparisons.

Control Flow

Understand control flow structures like if statements for conditional branching and loops (for, while, do-while) for repetitive tasks.

Stay tuned for the next part of this series, where we'll delve into the exciting world of Object-Oriented Programming in Java. Remember, practice is key to mastering any programming language, so be sure to write plenty of code and experiment with the concepts covered in each section. Happy coding!

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