Core Java Syllabus

1. Introduction to Java

• Post 1: What is Java?
• Post 2: Setting Up Java Development Environment (JDK, IDEs)
• Post 3: Writing Your First Java Program

2. Java Basics

• Post 4: Understanding Data Types and Variables
• Post 5: Operators in Java (Arithmetic, Relational, Logical)
• Post 6: Type Casting and Type Promotion
• Post 7: Control Statements (if-else, switch-case)

3. Loops and Arrays

• Post 8: Introduction to Loops (For, While, Do-While)
• Post 9: Working with Arrays (Single and Multi-Dimensional)
• Post 10: Enhanced For Loop and Array Operations

4. Object-Oriented Programming (OOP)

• Post 11: Classes and Objects in Java
• Post 12: Constructors and 'this' Keyword
• Post 13: Method Overloading and Overriding
• Post 14: Inheritance (Single and Multilevel)
• Post 15: Abstraction in Java (Abstract Classes & Interfaces)
• Post 16: Encapsulation and Polymorphism

5. Exception Handling

• Post 17: Introduction to Exceptions
• Post 18: Handling Exceptions with Try, Catch, Finally
• Post 19: Custom Exceptions in Java

6. String Handling in Java

• Post 20: Understanding Strings in Java
• Post 21: String vs StringBuilder vs StringBuffer
• Post 22: String Methods and Manipulation

7. File I/O in Java

• Post 23: Java File I/O Basics (FileReader, FileWriter)
• Post 24: BufferedReader and BufferedWriter
• Post 25: Introduction to Serialization

8. Multithreading

• Post 26: What is Multithreading in Java?
• Post 27: Creating Threads (Runnable Interface vs Thread Class)
• Post 28: Thread Synchronization and Locks

9. Java Collections Framework

• Post 29: Introduction to Collections Framework
• Post 30: Working with Lists (ArrayList, LinkedList)
• Post 31: Working with Sets (HashSet, TreeSet)
• Post 32: Working with Maps (HashMap, TreeMap)

10. Java Utility Classes

• Post 33: Wrapper Classes in Java (Integer, Double, etc.)
• Post 34: Date and Time API in Java
• Post 35: Using the Math and Random Classes

11. Java 8+ Features

• Post 36: Introduction to Lambda Expressions
• Post 37: Functional Interfaces and Stream API
• Post 38: Default Methods in Interfaces