1. Introduction to Java:
What is Java and its significance
Java's platform independence
2. Setting Up Development Environment:
Installing JDK (Java Development Kit)
Choosing an IDE (Integrated Development Environment)
3. Java Syntax and Structure:
Basic syntax rules
Comments
Semicolons
4. Data Types and Variables:
Primitive data types: int, double, char, boolean, etc.
Declaration and initialization of variables
Naming conventions for variables
5. Operators:
Arithmetic operators (+, -, *, /, %)
Comparison operators (>, <, ==, !=, etc.)
Logical operators (&&, ||, !)
6. Control Structures:
Conditional statements: if, else-if, else
Switch statement
Loops: while, for, enhanced for (foreach)
Using break and continue statements
7. Methods and Functions:
Declaring and defining methods
Method parameters and return types
Method overloading
8. Object-Oriented Programming (OOP) Basics:
Classes and objects
Instance variables and methods
Constructors
Access modifiers (public, private, protected)
9. Inheritance and Polymorphism:
Creating subclasses and superclasses
Method overriding and dynamic method dispatch
Polymorphism and its benefits
10. Packages and Imports:
Organizing classes into packages
Importing classes from other packages
11. Arrays and Lists:
Declaring and initializing arrays
Accessing array elements
Java ArrayList for dynamic lists
12. Basic Input and Output:
Using the Scanner class for user input
Output with System.out
Formatting output using printf()
13. Exception Handling:
Understanding exceptions
Using try-catch blocks
Handling exceptions gracefully
14. Basic String Manipulation:
Creating and manipulating strings
String concatenation
Commonly used string methods
15. Type Casting and Conversion:
Implicit and explicit type casting
Converting between data types
16. Basic File I/O:
Reading from and writing to files
Using FileReader, FileWriter, BufferedReader, BufferedWriter
17. Java Standard Library:
Exploring Java's built-in classes and methods
java.lang, java.util, java.io, and more