Data Science & Developer Roadmaps with Chat & Free Learning Resources

Java Engineer Roadmap

Below you’ll find the Java Engineering Roadmap - a step-by-step guide on how to become a Java Engineer. This roadmap covers both Cora Java topics (like Syntax, OOP and Exception Handling) and more advanced topics like JVM Internals and Annotations. You'll also learn about Java Frameworks, Microservices Architecture and Performance Optimization.

All boxes are clickable and provide you with AI-powered explanations and free learning resources. You can also chat with our 🤖 bot when you have any question about the topics on this roadmap.

Java EngineerBasic SyntaxCore JavaOOPCollections FrameworkClasses & ObjectsInheritancePolymorphismEncapsulationException HandlingFile I/OMultithreading and ConcurrencyVariables and Data TypesOperatorsControl StructuresMethods and ConstructorsOverloading & OverridingAccess ModifiersAbstractionInterfacesList, Set, Map InterfacesIterators & Enhanced for-loopComparable vs. ComparatorStreams and Lambda ExpressionsTry-Catch-FinallyThrow & ThrowsCustom ExceptionsReading and Writing FilesBufferedReader, BufferedWriterSerialization & DeserializationGenericsAdvanced JavaJVM InternalsAnnotationsReflection APIJava 8+ FeaturesType ParametersBounded & UnboundedWildcardsMemory ManagementClass Loading MechanismJIT compilationBuilt-in AnnotationsCustom AnnotationsFunctional InterfacesStream APIOptional ClassDefault & Static Methods in InterfacesBuild ToolsSoftware Development ToolsVersion ControlIDEDependency ManagementSpringHibernateIntelliJ IDEAEclipseNetBeansGit BasicsGit WorkflowsJava ServletsWeb DevelopmentJavaServer Pages (JSP)Java FrameworksJDBC (Java Database Connectivity)Databases &PersistenceObject-Relational Mapping (ORM)Database DesignConnecting to DatabasesExecuting SQL QueriesResultSet & Statement InterfacesER DiagramsNormalizationIndexing and Query OptimizationAPIs & Web ServicesRESTful Web ServicesSOAP Web ServicesAPI DocumentationMicroservicesArchitectureMicroservices PrinciplesSpring CloudContainerizationDocker for Java ApplicationsDocker Compose for Multi-container ApplicationsDecoupled ServicesDomain-Driven Design (DDD)Service Registry and DiscoveryTesting in JavaUnit TestingIntegration TestingBehavior-Driven Development (BDD)AdvancedTopicsReactive ProgrammingFunctional Programming in JavaEvent-Driven ArchitecturePerformanceOptimizationMemory ManagementProfiling ToolsConcurrency OptimizationApplication Performance Monitoring (APM)VisualVMJConsoleYourKitLambda ExpressionsStream APIHigher-Order FunctionsKafka for Event StreamingRabbitMQ for Message QueuingEvent Sourcing PatternsKeep exploring!