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Master Java with Adaptive AI.

Master Java across 26 topics - Foundations, Data Structure & Functions, and Object-Oriented & Advanced Java - guided by Leyaa's adaptive intelligence.

3Parts
26Topics
155Patterns
40hEst. duration
Start Learning Free
Java
Java Course
3 - part learning journey
Beginner
Foundations
8 topics · 51 patterns
Beginner
Intermediate
Data Structure & Functions
8 topics · 48 patterns
Intermediate
Advanced
Object-Oriented & Advanced Java
10 topics · 56 patterns
Advanced
Begin Part 1: Foundations
✦ Course Structure

Your Java Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner
Beginner
Part 1: Foundations
Covers Java Basics and Execution Environment, Variables and Data Types, Operators and Expressions and 5 more topics.
8Topics
51Patterns
View topics
Intermediate
Intermediate
Part 2: Data Structure & Functions
Covers Arrays, Strings and String Handling, Methods and Code Reusability and 5 more topics.
8Topics
48Patterns
View topics
Advanced
Advanced
Part 3: Object-Oriented & Advanced Java
Covers Object-Oriented Programming Concepts, Classes and Objects, Constructors and 7 more topics.
10Topics
56Patterns
View topics
Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

Java

3 parts · 26 topics · 155 patterns
Beginner
Part 1: Foundations8 topics · 51 patterns
Beginner
01
Java Basics and Execution Environment
7 patterns
What is Java
Why Java is widely used
Java platform and JVM overview
JDK, JRE, and JVM difference
Writing first Java program
Java compilation and execution flow
Command line execution
02
Variables and Data Types
7 patterns
Why variables are needed
Variable declaration and initialization
Primitive data types
Reference data types
Type casting
Type promotion
Default values
03
Operators and Expressions
8 patterns
Why operators are needed
Arithmetic operators
Relational operators
Logical operators
Assignment operators
Unary operators
Ternary operator
Operator precedence
04
Input and Output
6 patterns
Why input and output are required
Using Scanner class
Reading integer input
Reading string input
Output using System.out.print
Output formatting basics
05
Conditional Statements
7 patterns
Why conditional statements are needed
If statement
If–else statement
Else–if ladder
Nested if statements
Switch statement
Switch vs if comparison
06
For Loop
6 patterns
Why loops are needed
For loop syntax
Loop initialization, condition, update
Nested for loop
Enhanced for loop
Loop execution flow
07
While Loop
5 patterns
Why while loop is needed
While loop execution flow
Counter-based while loop
Do–while loop
Difference between while and do–while
08
Loop Control Statements
5 patterns
Why loop control is required
Break statement
Continue statement
Return inside loops
Labeled break and continue
Intermediate
Part 2: Data Structure & Functions8 topics · 48 patterns
Intermediate
01
Arrays
7 patterns
Why arrays are needed
Array declaration and initialization
One-dimensional arrays
Two-dimensional arrays
Array traversal
Array length property
Common array operations
02
Strings and String Handling
7 patterns
Why strings are special in Java
String creation
String immutability
String comparison
Common string methods
StringBuilder and StringBuffer
String vs StringBuilder
03
Methods and Code Reusability
7 patterns
Why methods are needed
Method declaration
Method calling
Method parameters
Return values
Method overloading
Call stack behavior
04
Memory Management Basics
5 patterns
Stack memory
Heap memory
Primitive vs reference storage
Garbage collection overview
Object lifetime
05
Wrapper Classes
5 patterns
Why wrapper classes are used
Primitive to object conversion
Autoboxing
Unboxing
Common wrapper methods
06
Packages and Access Control
7 patterns
Why packages are used
Creating packages
Import statement usage
Public access modifier
Default access modifier
Protected access modifier
Private access modifier
07
Static Keyword
5 patterns
Why static is needed
Static variables
Static methods
Static blocks
Static vs non-static behavior
08
Command Line Arguments
5 patterns
Why command line arguments are used
Syntax for command line arguments
Accessing arguments
Parsing numeric arguments
Use cases
Advanced
Part 3: Object-Oriented & Advanced Java10 topics · 56 patterns
Advanced
01
Object-Oriented Programming Concepts
5 patterns
Why object-oriented programming is used
Classes and objects
OOP principles overview
Procedural vs OOP approach
Real-world modeling
02
Classes and Objects
6 patterns
Class definition
Object creation
Instance variables
Instance methods
Object interaction
Object lifecycle
03
Constructors
6 patterns
Why constructors are needed
Default constructor
Parameterized constructor
Constructor overloading
Constructor execution flow
This keyword usage
04
Inheritance
6 patterns
Why inheritance is used
Parent and child classes
Method overriding
Super keyword
Constructor chaining
Inheritance limitations
05
Polymorphism
5 patterns
Why polymorphism is needed
Compile-time polymorphism
Runtime polymorphism
Method overriding rules
Upcasting and downcasting
06
Abstraction
5 patterns
Why abstraction is required
Abstract classes
Abstract methods
Partial abstraction
Abstract vs concrete classes
07
Interfaces
6 patterns
Why interfaces are used
Interface declaration
Implementing interfaces
Multiple inheritance using interfaces
Default methods
Static methods in interfaces
08
Encapsulation
5 patterns
Why encapsulation is required
Private data members
Getter and setter methods
Data hiding
Encapsulation best practices
09
Exception Handling
7 patterns
Why exception handling is required
Try–catch block
Multiple catch blocks
Finally block
Throw keyword
Throws keyword
Checked vs unchecked exceptions
10
Custom Exceptions
5 patterns
Why custom exceptions are needed
Creating custom exception class
Throwing custom exceptions
Exception propagation
Best practices
Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics
Adaptive Diagnostics
Leyaa identifies which of the 155 patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Intelligent Pacing
Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.
Learner Autonomy
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Clear Learning Path
Foundations → Data Structure & Functions → Object-Oriented & Advanced Java - a structured journey where each part sets you up perfectly for the next.
Java

Ready to master Java?
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Start your diagnostic now. Build mastery across all 26 topics in under 15 minutes.

26 Topics
155 Patterns
Personalized roadmap
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