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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
Created by Educative
What's included
- 93 lessons across 11 modules
- 11 quizzes with instant feedback
- AI Tutor on every lesson
Join 3.1 million developers at
What You'll Learn
- 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
1.
Getting Started with Java!
Getting Started with Java!
Get familiar with Java basics, including "Hello World", coding structure, and compilation.
2.
Variables & User Input
Variables & User Input
Unpack the core of Java variables, data types, syntax, user input, and variable declaration.
3.
Simple Maths & Logic
Simple Maths & Logic
8 Lessons
8 Lessons
Examine mathematical operations, functions, and logical expressions in Java with practical challenges and solutions.
4.
Strings and String Processing
Strings and String Processing
5 Lessons
5 Lessons
Break down complex ideas about Java String manipulation and processing techniques.
5.
Conditional Statements
Conditional Statements
9 Lessons
9 Lessons
Understand Java's conditional logic with if-else, switch cases, and compact conditional expressions.
6.
Loops
Loops
10 Lessons
10 Lessons
Follow the process of understanding and implementing different Java loop structures and challenges.
7.
Methods
Methods
14 Lessons
14 Lessons
Develop skills to define and use Java methods, parameters, constructors, and static methods.
8.
Arrays
Arrays
12 Lessons
12 Lessons
Step through various array types, initialization methods, and implement essential array operations.
9.
Classes and Inheritance
Classes and Inheritance
9 Lessons
9 Lessons
Get started with classes, constructors, methods, inheritance, and solving challenges in Java.
10.
Generics
Generics
5 Lessons
5 Lessons
Break apart generics in Java to enhance code reusability, flexibility, and type safety.
11.
ArrayLists
ArrayLists
8 Lessons
8 Lessons
Enhance your skills in using ArrayLists for dynamic storage, inbuilt methods, and practical challenges.
Certificate of Completion
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Developed by MAANG Engineers
Trusted by 3.1 million developers working at companies
A
Anthony Walker
@_webarchitect_
E
Evan Dunbar
ML Engineer
S
Software Developer
Carlos Matias La Borde
S
Souvik Kundu
Front-end Developer
V
Vinay Krishnaiah
Software Developer
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