Classes 1–35

Class	Topic	Description / Activities
1	Introduction to Java	Features, JDK/JRE/JVM, setup
2	Structure of a Java Program	main(), compiling, running
3	Data Types & Variables	int, float, boolean, constants
4	Operators	Arithmetic, relational, logical
5	Input/Output	Using Scanner, System.out.println
6	Conditional Statements	if, if-else, nested if
7	switch Statement	Multiple-choice logic
8	Loops (for)	Counting, summing
9	Loops (while, do-while)	Reverse, factorial, etc.
10	Practice Programs	Patterns, number games
11	Classes & Objects	Define and use classes
12	Methods & Constructors	Reuse code; overloading basics
13	this Keyword	Current object usage
14	Access Modifiers	public, private, protected
15	Encapsulation	Getters and setters
16	Inheritance	extends, super
17	Polymorphism (Overloading)	Same name, different parameters
18	Polymorphism (Overriding)	Redefining inherited methods
19	Abstraction	Abstract class and method
20	Interfaces	Multiple inheritance via interfaces
21	Arrays – 1D	Basics, traversal

22	Arrays – 2D	Matrices, nested loops
23	Strings	length(), substring(), concat()
24	StringBuilder	Efficient modifications
25	Exception Handling (try-catch)	Handling runtime errors
26	Custom Exceptions	throw, throws
27	Packages	Built-in and user-defined
28	Wrapper Classes	Integer, Double, Boolean
29	Autoboxing/Unboxing	Primitive ↔ Object conversions
30	Java API (Math, Date, Random)	Built-in classes
31	ArrayList	add, remove, print
32	LinkedList	Linked structure demo
33	HashMap	Key-value storage
34	HashSet	Unique elements
35	File Handling	Read/write text files, mini-project: Student record saver

Java Programming