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Learn Java Fundamentals

Master modern Java with a guided, adaptive roadmap. Start exactly at your level and progress from core syntax and OOP to collections, lambdas/streams, concurrency, and professional build tooling.

4.6

93 Lessons

12h

Updated this week

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LEARNING OBJECTIVES

Familiarity with the fundamentals of Java, including variables, data types, operators, input/output, and error handling to write clear and efficient code.
An understanding of the core principles of object-oriented programming in Java, including classes, objects, encapsulation, constructors, inheritance, and polymorphism to build reusable, maintainable systems.
Mastery of advanced Java features, including generics, advanced collections, and the Java Time API for writing flexible, reliable programs.
The ability to use functional programming features such as lambdas, method references, and the Streams API with Optional for clean, expressive code.
Proficiency with advanced techniques like regular expressions, Java Collections, concurrency (threads, executors, and CompletableFuture), and Maven for efficient builds, dependency management, and scalable, production-ready applications.

Learning Roadmap

93 Lessons1 Assessment

Skip what you already know, focus on what's missing

Take a 1-minute assessment to get your tailored learning path for this course

YOUR ROADMAP

Getting Started with Java!

Get familiar with Java basics, including "Hello World", coding structure, and compilation.

Hello World!

Hello World: Code Explanation

Compiling Your First Java Program!

Challenge: Play Around With 'print' Statement

Solution Review: Play Around With 'print' Statement

Quick Quiz!

Variables & User Input

Unpack the core of Java variables, data types, syntax, user input, and variable declaration.

Variables in Java

Data Types

Variable Syntax

Taking Variable Value From User

Challenge: Declaring Variables

Solution Review: Declaring Variables

Quick Quiz!

Simple Maths & Logic

8 Lessons

Examine mathematical operations, functions, and logical expressions in Java with practical challenges and solutions.

Strings and String Processing

5 Lessons

Break down complex ideas about Java String manipulation and processing techniques.

Conditional Statements

9 Lessons

Understand Java's conditional logic with if-else, switch cases, and compact conditional expressions.

Loops

10 Lessons

Follow the process of understanding and implementing different Java loop structures and challenges.

Methods

14 Lessons

Develop skills to define and use Java methods, parameters, constructors, and static methods.

Arrays

12 Lessons

Step through various array types, initialization methods, and implement essential array operations.

Classes and Inheritance

9 Lessons

Get started with classes, constructors, methods, inheritance, and solving challenges in Java.

10.

Generics

5 Lessons

Break apart generics in Java to enhance code reusability, flexibility, and type safety.

11.

ArrayLists

8 Lessons

Enhance your skills in using ArrayLists for dynamic storage, inbuilt methods, and practical challenges.

Java Exam

Assessment

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Developed by MAANG Engineers

Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

ABOUT THIS COURSE

Java is a versatile programming language that powers enterprise backends, Android apps, data platforms, and high-performance systems, making it essential for modern developers. Unlike a one-size-fits-all course, our roadmap adapts to your background with a quick pre-assessment that pinpoints your skill level and goals. If you are new to programming, your path begins with the fundamentals—writing your first programs. If you already know the basics, your path focuses on object-oriented programming. For learners who prefer a comprehensive, step-by-step approach, the roadmap provides detailed explanations of core features. If you are an advanced Java developer, your path explores the most powerful features of the language, including lambdas, the Streams API, concurrency with threads, regular expressions, collections, and professional build management with Maven. This course will enable you to write clean, efficient, and reliable Java code while tackling projects with confidence.

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