Java Courses
Choose a course that suits your goals - from the basics to advanced skills in Java.
4.5
Rated based on 841 reviews.
18,327 LearnersAlready enrolled
Gained skills:
Access Modifiers and PackagesAdvanced Enum FeaturesAdvanced Java ConfigurationAdvanced OOP ConceptsArray ManipulationArrayList UsageAsync/Await in KotlinBackend DevelopmentBackend FundamentalsBackend Technology LandscapeBasic LoggingBasic OOP Concepts in KotlinBasic Testing with JUnitBest Practices for LibrariesBest Practices for MethodsBest Practices for Multithreaded CodeBuild LifecycleBuilding Search IndexesCRUD OperationsCircuit Breaker PatternsClass DesignClass and Method ImplementationClass and Object DefinitionClean Code PracticesClean Code PrinciplesCode FormattingCode OrganizationCode ReadabilityConcurrency Use CasesConditional LogicConditional Logic and Control FlowConfiguration ManagementConsole Application DesignConsole Application DevelopmentConsole Application StructureConsole Input/OutputConsole Table FormattingControl Flow in JavaCoroutine DispatchersCoroutine Error HandlingCreating and Running Threads Currency Conversion LogicCustom Exception CreationDSL ParsingData Analysis in JavaDatabase ManagementDatabase ModelingDatabase NormalizationDate Parsing and FormattingDependency ManagementDependency Management with MavenDesign Principles in JavaDirectory ValidationDistributed Systems Decision-MakingEncapsulationEncapsulation in JavaEnum UsageEnums in Control FlowEnums in JavaEnums with Methods and FieldsEnvironment VariablesError HandlingError Handling TechniquesError Handling in File I/OFault Tolerance DesignFile Creation and WritingFile Extension DetectionFile Listing and IterationFile MovingFile ReadingFile Reading in JavaFolder CreationFor Loops in JavaFunction DesignFunctional InterfacesFunctional Programming in JavaGame Logic ImplementationHashMap UsageImplementing basic algorithmsImplementing functional programming patterns in JavaInheritance in JavaInput ValidationInteractive Java ProgramsInterfaces and Abstract ClassesJVM Memory AreasJava BasicsJava Class DesignJava Classes and ObjectsJava Coding PrinciplesJava Compilation ProcessJava Console Application StructureJava Data ManipulationJava Data StructuresJava Enum BasicsJava EnumsJava Event-Driven DesignJava Exception BasicsJava Exception HandlingJava File I/OJava File I/O BasicsJava FundamentalsJava Garbage CollectionJava Input HandlingJava InterfacesJava Lambda ExpressionsJava Library FundamentalsJava Loop FundamentalsJava Map UsageJava Memory ManagementJava Memory Management Best PracticesJava Method FundamentalsJava Naming ConventionsJava OOPJava OOP BasicsJava OOP DesignJava OverviewJava Packages and Project StructureJava ProgrammingJava Programming BasicsJava Project StructureJava Properties FilesJava Syntax BasicsJava Thread Basics Kotlin Class BasicsKotlin Concurrency BasicsKotlin ConstructorsKotlin Control FlowKotlin CoroutinesKotlin Extension FunctionsKotlin Functional ProgrammingKotlin Null-SafetyKotlin Properties and MethodsKotlin Syntax and SemanticsKotlin vs Java ComparisonLog ParsingLoop ConstructsLoop Control StatementsLoops in JavaManipulating core data structures in JavaMaven BasicsMaven CommandsMaven PluginsMemory Leak PreventionMenu NavigationMenu-driven ProgrammingMethod CreationMethod ImplementationMethod OverloadingMethod ReferencesNon-blocking Application DesignNull-Safety HandlingNumeric Formatting with DecimalFormatObject Creation in KotlinObject InteractionObject-Oriented ProgrammingObject-Oriented Programming ConceptsObject-Oriented Programming in JavaOutOfMemoryError DiagnosisPOM File ManagementParallel StreamsParameter Passing in JavaPolymorphism in JavaPractical Loop ApplicationsPrimitive Data TypesProblem-SolvingProject AssemblyRandom Number GenerationRandomizationReactive Programming FundamentalsReactive Streams ConceptsReal-World Reactive PatternsRecursion in JavaRepository UsageRobust Java ProgrammingScanner Class UsageScore CalculationScore TrackingSoftware Architecture FundamentalsSolving practical data transformation and filtering challengesSolving practical programming challengesSpring Boot ResilienceSpring Boot with Virtual ThreadsStandard Library UsageStoring and retrieving data efficientlyStream API with LambdasString Formatting in JavaString ManipulationString Manipulation and Text ProcessingStructured ConcurrencyStructured Concurrency with Virtual ThreadsSuspend FunctionsSystem PropertiesTerminal Input/OutputTerminal Output FormattingText ProcessingText Processing in JavaThird-Party Library IntegrationThread Management in KotlinUnderstanding the JVMUnittestUser Input HandlingUser Interaction via ConsoleUsing Stream API for data processingUsing the File ClassVariables and Data TypesVirtual Threads ArchitectureVirtual Threads Performance AnalysisVirtual Threads in Backend ApplicationsWeb API DevelopmentWhile and Do-While LoopsWorking with File PathsWriting concise and readable functional code
Show MoreTake a short quiz and get closer to your goals!
80,000
Students have already successfully completed the courses and are applying their skills in the workplace
92%
Users find our courses useful
Courses
Courses
Browse Java courses and projects
1 hour
11 chapters
1 hour 12 chapters
1 hour 12 chapters
2 hours 12 chapters
1 hour 7 chapters
1 hour 6 chapters
1 hour 8 chapters
3 hours 31 chapters
1 hour 8 chapters
1 hour 5 chapters
1 hour 6 chapters
1 hour 8 chapters
Level
Type of lesson
Technologies
course
Kotlin for Java Developers
1 hour 11 chaptersBeginner
Acquired skills: Kotlin Syntax and Semantics, Kotlin vs Java Comparison, Kotlin Null-Safety, Kotlin Functional Programming, Kotlin Control Flow, Kotlin Extension Functions
course
Java User Input Essentials
1 hour 12 chaptersBeginner
Acquired skills: Java Basics, User Input Handling, Scanner Class Usage, Input Validation, Interactive Java Programs
course
Mastering Virtual Threads in Java
1 hour 12 chaptersBeginner
Acquired skills: Virtual Threads Architecture, Virtual Threads Performance Analysis, Structured Concurrency with Virtual Threads, Virtual Threads in Backend Applications, Spring Boot with Virtual Threads
course
Circuit Breakers in Spring Boot
2 hours 12 chaptersIntermediate
Acquired skills: Spring Boot Resilience, Circuit Breaker Patterns, Fault Tolerance Design, Distributed Systems Decision-Making
project
Console Shopping Cart System
1 hour 7 chaptersBeginner
Acquired skills: Java Class Design, Encapsulation, ArrayList Usage, Console Application Structure, User Input Handling, Menu-driven Programming, Object-Oriented Programming
project
Currency Converter CLI
1 hour 6 chaptersBeginner
Acquired skills: Java Input Handling, Java Map Usage, Currency Conversion Logic, Input Validation, Terminal Output Formatting
project
Hangman Game in Java
1 hour 8 chaptersBeginner
Acquired skills: Java Basics, Object-Oriented Programming, Enums in Java, Randomization, Terminal Input/Output, Class Design
course
Introduction to Java
3 hours 31 chaptersBeginner
Acquired skills: Java Fundamentals, Variables and Data Types, Conditional Logic and Control Flow, String Manipulation and Text Processing
project
Java Console Text Pipeline
1 hour 8 chaptersBeginner
Acquired skills: Java Interfaces, Java File I/O, Text Processing in Java, DSL Parsing, Java Packages and Project Structure, Console Application Design
project
Java File Organizer
1 hour 5 chaptersIntermediate
Acquired skills: Java File I/O, Directory Validation, File Listing and Iteration, File Extension Detection, Folder Creation, File Moving, Basic Logging
project
Java Number Guessing Game
1 hour 6 chaptersBeginner
Acquired skills: Java Basics, User Input Handling, Conditional Logic, Loops in Java, Method Creation, Random Number Generation, Basic Testing with JUnit
project
Java Todo List Manager
1 hour 8 chaptersBeginner
Acquired skills: Java OOP Basics, Class Design, ArrayList Usage, Console Application Structure, Menu-driven Programming, Object Interaction
Codefinity advantages
AI-Assisted Learning
Embrace the fascination of Tech Skills! Our AI-assistant provides real-time feedback, personalized hints, and error explanations, empowering you to learn with confidence.
Workspaces
With Workspaces, you can create and share projects directly on our platform. We've prepared templates for your convenience
Learning tracks
Take control of your career development and commence your path into mastering the latest technologies
Real-world projects
Real-world projects elevate your portfolio, showcasing practical skills to impress potential employers
Why Codefinity stands out
Video content
Downloadable materials
Esteemed certificates
Interactive learning environment
Error correction
AI assistant
Access to all content with one subscription
Codefinity
Video-based learning platforms
Codefinity
Video-based learning platforms
Video content
Downloadable materials
Esteemed certificates
Interactive learning environment
Error correction
AI assistant
Access to all content with one subscription
Career opportunitiesLearn about the most popular professions, average salaries, and companies actively seeking specialists in this field.
Java Developer
Systems Architect
Mobile Developer
Backend Developer
$81k
$114k
$147k
Min
Average
Max
Annual salary
(Average in the US)
Hiring companies
*Source: Glassdoor
Chosen by students of top schools
Including 30 out of top-30 U.S. colleges
Java Courses: Key Info and Questions
Introduction to Java Courses
Our Java courses will teach you one of the most stable and supported languages in a format that suits everyone! Start from the basics, learning what Java is and how to work with variables, and progress to advanced concepts and writing your own applications using popular frameworks like Spring and Hibernate. You can achieve this by completing numerous relevant assignments and finding success!
Benefits of our Java Courses
Our Java courses feature many practical tasks that will keep you engaged. They are written by professionals who know their stuff. Whether you are an absolute beginner or have some experience, you will find something new and improve your Java skills! Additionally, if you encounter any difficulties with the course, our AI assistant is always there to help.
Career opportunities after completion of Java Courses
After completing our Java track, many opportunities will open up for you because Java is a popular and stable programming language. You can become a backend developer, develop games, websites, or desktop applications.
Java Course Options
We offer many Java courses suitable for every level. If you are an absolute beginner, the Java Basics course is for you. If you want to develop specific skills, like learning OOP in Java, then the Java OOP course is for you.
Certificate Information
Upon completing each course or track, you will receive a digital certificate that you can add to your resume or LinkedIn profile to show that you have mastered a particular technology and are ready to advance further in this field!
How to Choose the Suitable Java Course?
To select the right Java course, evaluate your current programming skills and the course curriculum. Opt for a course that aligns with your interests and includes practical training.
Which course is best in the category of Java Courses?
If you are a beginner, the best course for you is the Java Basics course. It covers fundamental programming concepts and introduces you to Java development!
Why should I consider taking an online Java course with your company?
Our online Java courses focus on practical skills that will enhance your career in programming. We will guide you from a novice to someone capable of developing their own applications!
Tips for successful Java course completion
Practice coding regularly to develop your skills. Complete all assignments and projects. Don’t hesitate to ask questions to clarify your learning.
What is the Cost of Training for Java Courses?
The cost of training varies depending on a subscription type and duration. For the most accurate and detailed pricing information, as well as any available discounts or financial aid options, please visit our payment page or contact our admissions office directly.
Which Java Course is Best Suited for Beginners?
The Java Basics course is best suited for beginners as it introduces core programming concepts and the Java language!
What are the key skills required to excel in Java?
The key skills needed to excel in Java include a strong desire to learn, self-discipline, and the ability to organize your study effectively.
What are the various job roles available after completing a Java Course?
Upon completing a Java course, you can pursue various job roles such as developing desktop applications, creating games, or working on operating systems for household appliances!
What industries use Java most?
Java is widely used across industries by major companies like Amazon, Meta, the Pentagon, and Netflix for their development projects.
Can I join a Java programming course without any prior programming experience?
Yes, you can join our online Java programming courses with no prior experience. Our training is designed for beginners of all backgrounds!
Can I learn Java in 3 months?
With full-time dedication, it is possible to learn Java within 3 months. However, mastering the language typically takes more time.
Can I learn Java for free?
Java can be learned through many tutorials and guides on YouTube and various articles. You can also use Java's official documentation, written by the developers themselves. However, when learning Java on your own, you might face challenges like a lack of structured information, no opportunity to ask questions, or learning things you didn't intend to. That's why we recommend using structured courses like those offered on the Codefinity platform. At Codefinity, you'll have all the tools you need for effective learning, including an integrated code runner right on the website, automatically graded assignments, and an AI assistant to help solve any issues you encounter along the way. This combination ensures a smooth, guided learning experience that helps you stay focused on your goals.
What Our Users Say
Join 1.5+ million advancing in AI and data skills at Codefinity
Ready to get started?
ProBest intro offer$12 /monthBilled annually
500+ Top-Rated coursesCompletion certificatesAI-Assistant in all courses
40+ hands-on Real-world projectsPersonalized study tracksUnlimited workspacesUltimateAll you need to boost your career$25 /monthBilled annually
500+ Top-Rated coursesCompletion certificatesAI-Assistant in all courses40+ hands-on Real-world projectsPersonalized study tracksUnlimited workspacesTop courses in the Java category
1. | Java Basics |  3 hours |  38 chapters |
2. | Java Classes and Core Mechanics | 5 hours | 38 chapters |
3. | Java OOP | 4 hours | 21 chapters |
4. | Java Data Types | 1 hours | 14 chapters |
5. | Java Data Structures | 4 hours | 25 chapters |
1. Java Basics
Hours
Chapters2. Java Classes and Core Mechanics
HoursChapters3. Java OOP
HoursChapters4. Java Data Types
HoursChapters5. Java Data Structures
HoursChaptersRelated topics on blog
Interview Preparation
BackEnd Development
Java
by Daniil LypenetsFull Stack Developer
BackEnd Development
by Daniil LypenetsFull Stack Developer
BackEnd Development
Computer Science
by Daniil LypenetsFull Stack Developer
