Java Tutorials – Complete Guide
1️⃣ Introduction to Java
What is Java?
History & features of Java
JDK, JRE, JVM explained
How Java works (Bytecode, JVM)
Installing Java & IDE setup
2️⃣ Java Basics
Variables & data types
Operators
Input / Output (Scanner)
Control statements
if, if-else
switch
loops (for, while, do-while)
3️⃣ Object-Oriented Programming (OOP)
Class & Object
Methods
Constructors
Encapsulation
Inheritance
Polymorphism
Abstraction
this&superkeyword
4️⃣ Java Arrays & Strings
Single & multi-dimensional arrays
String, StringBuffer, StringBuilder
String methods
Array vs Collection
5️⃣ Exception Handling
Types of exceptions
try-catch-finally
throw & throws
Custom exceptions
Best practices
6️⃣ Java Collections Framework
List (ArrayList, LinkedList)
Set (HashSet, TreeSet)
Map (HashMap, TreeMap)
Iterator & ListIterator
Comparable vs Comparator
7️⃣ Multithreading
Thread lifecycle
Creating threads
Synchronization
Inter-thread communication
Thread pool & Executor
8️⃣ File Handling & I/O
File class
Reading & writing files
Serialization & Deserialization
Buffered streams
9️⃣ Java 8 Features
Lambda expressions
Functional interfaces
Stream API
Optional class
Method references
Date & Time API
🔟 JDBC (Database Connectivity)
JDBC architecture
Connecting Java with MySQL
CRUD operations
PreparedStatement
Transactions
1️⃣1️⃣ GUI Programming
AWT
Swing
JavaFX (basic intro)
1️⃣2️⃣ Advanced Java (Web Development)
Servlets
JSP
MVC architecture
JSTL
Filters & Listeners
Session management
1️⃣3️⃣ REST API & Web Services
REST principles
Creating APIs using Java
JSON handling
AJAX integration
1️⃣4️⃣ Build Tools & Frameworks (Intro)
Maven basics
Gradle basics
Spring overview
Spring Boot introduction
1️⃣5️⃣ Java Projects (Practice)
Calculator
Student Management System
Banking Application
Online Exam System
E-commerce backend (basic)
🎯 Who Should Learn Java?
Students & beginners
Backend developers
Android developers
Enterprise application developers
✅ Tools Required
JDK 8 or above
Eclipse / IntelliJ IDEA
MySQL
Apache Tomcat