codewithdhruba01 / Java-with-DSA

Java with DSA my journey

2 1 Language: Java Updated: 2mo ago

algorithms-and-data-structures corejava dsa java jdk

README

📘 Java Full Course: Beginner to Advanced

Welcome to the Java Full Course! This guide is designed to help you master Java programming from the very basics to advanced concepts. Follow each chapter step by step to become proficient in Java development.

📖 Each chapter is organized with practical examples, explanations, and exercises to help you understand the concepts effectively.

📑 Table of Contents

📘 Course Structure

No.	Chapter Name	Description
0️	Setting Up the Environment	Learn how to install and configure Java, IDEs, and environment variables.
1️	Introduction to Java	Understand Java basics, syntax, and structure of a simple program.
2️	Variables	Learn about variables, constants, and data storage in Java.
3️	Data Type	Explore primitive and non-primitive data types in Java.
4️	Keywords	Study Java keywords and their uses in programming.
5️	Type Casting	Learn implicit and explicit type conversion in Java.
6️	Operators	Understand arithmetic, relational, logical, and bitwise operators.
7️	String	Explore Java String handling, methods, and immutability.
8️	User Input	Learn how to take user input using the Scanner class.
9️	Conditional Statement	Study `if`, `else`, and `switch` statements with examples.
10	Loop	Learn about `for`, `while`, and `do-while` loops.
11	Function	Understand methods, parameters, and return values in Java.
12	Arrays	Learn about one-dimensional arrays, initialization, and operations.
13	2D Arrays	Understand two-dimensional arrays, matrix operations, and traversal.
14	Binary Number System	Explore binary, decimal, and octal conversions with examples.
15	OOPS	Learn Object-Oriented concepts: Class, Object, Inheritance, Polymorphism, Abstraction, Encapsulation.

Basics of Java

1. Introduction to Java

What is Java?
History of Java
Features of Java
Java Editions (SE, EE, ME)

2. Setting Up the Environment

Installing JDK
Setting up Java on Windows/Linux/Mac
Introduction to IDEs (Eclipse, IntelliJ, VS Code)
Hello World Program

3. Java Basics

Java Syntax
Keywords & Identifiers
Variables and Data Types
Type Casting
Input/Output in Java

4. Operators in Java

Arithmetic Operators
Relational Operators
Logical Operators
Bitwise Operators
Assignment Operators
Ternary Operator

5. Control Flow

if, else-if, switch
Loops: for, while, do-while
break and continue

Object-Oriented Programming (OOP)

6. Classes and Objects

Class and Object Basics
Constructor and Constructor Overloading
this Keyword

7. Inheritance

Types of Inheritance
super Keyword
Method Overriding

8. Polymorphism

Compile-time Polymorphism (Method Overloading)
Runtime Polymorphism (Method Overriding)

9. Encapsulation

Access Modifiers
Getters and Setters

10. Abstraction

Abstract Classes
Interfaces

Core Java Concepts

11. Arrays and Strings

One-dimensional and Multi-dimensional Arrays
String Class and StringBuilder
Common String Methods

12. Exception Handling

try, catch, finally
throw and throws
Custom Exceptions

13. Java Collections Framework

List, Set, Map
ArrayList, LinkedList, HashSet, TreeSet, HashMap
Iterator and for-each Loop

14. File Handling

FileReader and FileWriter
BufferedReader and BufferedWriter
Serialization and Deserialization

15. Multithreading

Creating Threads (extends Thread / implements Runnable)
Thread Lifecycle
Synchronization

Advanced Java

16. Java JDBC (Database Connectivity)

Setting up MySQL with Java
Connecting to Database
CRUD Operations

17. Java Networking

InetAddress
Socket Programming (TCP/UDP)

18. Lambda Expressions & Functional Programming

Functional Interfaces
Lambda Syntax
Stream API

19. Java 8+ Features

Optional Class
Method References
Date and Time API (java.time)

20. Java GUI (Swing/JavaFX)

Basic Swing Components
Event Handling
Layout Managers

Projects & Practice

21. Mini Projects

Calculator
Student Management System
File Explorer

22. Final Project (Advanced)

Build a complete CRUD-based Web App using Java + MySQL

23. Interview Preparation

Common Java Interview Questions
Hands-on Coding Practice (Leetcode, HackerRank)
Resume Building Tips for Java Developers

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