Java / Subject
Advanced
Master advanced Java through JVM architecture, memory and modules, security, design patterns, testing, Spring, persistence, microservices, cloud deployment and performance.
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Advanced
270 topics- JVM Architecture
- Class Loading
- Class Loaders
- Class Linking
- Class Initialization
- Runtime Data Areas
- Heap
- Stack
- Method Area
- Metaspace
- Program Counter
- Native Method Stack
- Execution Engine
- Interpreter
- JIT Compiler
- Bytecode
- Bytecode Instructions
- Garbage Collection
- GC Roots
- Generational Garbage Collection
- G1 Garbage Collector
- Z Garbage Collector
- Shenandoah GC
- Memory Allocation
- Escape Analysis
- Heap Memory
- Stack Memory
- Object Lifecycle
- Memory Visibility
- Atomicity
- Ordering
- happens-before Relationship
- volatile Keyword
- Memory Barriers
- Safe Publication
- Immutability
- Memory Leaks
- OutOfMemoryError
- StackOverflowError
- Java Platform Module System
- Module Declaration
- module-info.java
- requires
- exports
- opens
- uses
- provides
- Automatic Modules
- Unnamed Modules
- Modular Applications
- Java Security Architecture
- Cryptography
- Message Digests
- Hashing
- Encryption
- Decryption
- Symmetric Encryption
- Asymmetric Encryption
- Digital Signatures
- Certificates
- KeyStore
- SecureRandom
- SSL
- TLS
- Secure Coding
- Input Validation
- Deserialization Security
- SOLID Principles
- DRY Principle
- KISS Principle
- YAGNI Principle
- Separation of Concerns
- Composition over Inheritance
- Dependency Injection
- Inversion of Control
- Immutability
- Defensive Programming
- Singleton Pattern
- Factory Pattern
- Abstract Factory Pattern
- Builder Pattern
- Prototype Pattern
- Adapter Pattern
- Bridge Pattern
- Composite Pattern
- Decorator Pattern
- Facade Pattern
- Flyweight Pattern
- Proxy Pattern
- Chain of Responsibility
- Command Pattern
- Interpreter Pattern
- Iterator Pattern
- Mediator Pattern
- Memento Pattern
- Observer Pattern
- State Pattern
- Strategy Pattern
- Template Method Pattern
- Visitor Pattern
- MVC Pattern
- Repository Pattern
- DAO Pattern
- Unit Testing
- JUnit
- Assertions
- Parameterized Tests
- Test Lifecycle
- Test Fixtures
- Mockito
- Mock Objects
- Stubs
- Spies
- Integration Testing
- Functional Testing
- Test-Driven Development
- Behavior-Driven Development
- Code Coverage
- Performance Testing
- JAR Files
- WAR Files
- Maven
- Maven Lifecycle
- Maven Dependencies
- Maven Plugins
- pom.xml
- Gradle
- Gradle Tasks
- Gradle Dependencies
- Multi-Module Projects
- Java Debugging
- Breakpoints
- Stack Traces
- Java Logging API
- SLF4J
- Logback
- Log4j
- Logging Levels
- Structured Logging
- Profiling
- HTTP Fundamentals
- Servlets
- Servlet Lifecycle
- Servlet Filters
- Servlet Listeners
- Sessions
- Cookies
- JSP
- Expression Language
- JSTL
- REST APIs
- JSON Processing
- Web Application Architecture
- Spring Core
- Spring IoC
- Spring Dependency Injection
- Spring Beans
- Spring Configuration
- Spring Annotations
- Spring AOP
- Spring MVC
- Spring Validation
- Spring Data
- Spring Data JPA
- Spring Security
- Spring Transactions
- Spring WebFlux
- Spring Boot Fundamentals
- Spring Boot Starters
- Auto-Configuration
- Configuration Properties
- Profiles
- REST Controllers
- Exception Handling
- Validation
- Actuator
- Logging
- Spring Boot Testing
- Spring Boot Security
- Spring Boot Data Access
- Application Packaging
- Application Deployment
- ORM
- JPA
- Hibernate
- Entities
- Entity Lifecycle
- Relationships
- One-to-One Mapping
- One-to-Many Mapping
- Many-to-One Mapping
- Many-to-Many Mapping
- JPQL
- Criteria API
- Lazy Loading
- Eager Loading
- Caching
- Transactions
- Optimistic Locking
- Pessimistic Locking
- Microservices Architecture
- Service Discovery
- API Gateway
- Configuration Management
- Load Balancing
- Circuit Breaker
- Retry Patterns
- Distributed Tracing
- Centralized Logging
- Service-to-Service Communication
- REST Microservices
- Event-Driven Microservices
- Distributed Transactions
- Saga Pattern
- CQRS
- Event Sourcing
- Messaging Fundamentals
- JMS
- Message Queues
- Publish/Subscribe
- Apache Kafka
- Kafka Producers
- Kafka Consumers
- Kafka Streams
- RabbitMQ
- Event-Driven Architecture
- Docker for Java
- Containerization
- Kubernetes
- Configuration
- Secrets
- Health Checks
- Observability
- Metrics
- Distributed Tracing
- Cloud Deployment
- Serverless Java
- GraalVM Native Image
- JVM Profiling
- CPU Profiling
- Memory Profiling
- Heap Analysis
- Thread Analysis
- Heap Dumps
- Thread Dumps
- Java Flight Recorder
- Java Mission Control
- GC Logging
- Garbage Collector Tuning
- JVM Flags
- JIT Optimization
- Benchmarking
- JMH
- Latency Optimization
- Throughput Optimization
- Memory Optimization
- Lock-Free Programming
- Wait-Free Algorithms
- Compare-and-Swap
- Atomic Operations
- Memory Ordering
- Concurrent Data Structures
- False Sharing
- Contention
- Work Stealing
- Fork/Join Internals
- Virtual Thread Internals
- Reactive Programming
- Backpressure
- Reactive Streams
Topics
270 published topics
- 21 G1 Garbage CollectorLearn G1 Garbage Collector through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 22 Z Garbage CollectorLearn Z Garbage Collector through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 23 Shenandoah GCLearn Shenandoah GC through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 24 Memory AllocationLearn Memory Allocation through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 25 Escape AnalysisLearn Escape Analysis through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 26 Heap MemoryLearn Heap Memory through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 27 Stack MemoryLearn Stack Memory through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 28 Object LifecycleLearn Object Lifecycle through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 29 Memory VisibilityLearn Memory Visibility through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 30 AtomicityLearn Atomicity through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 31 OrderingLearn Ordering through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 32 happens-before RelationshipLearn happens-before Relationship through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 33 volatile KeywordLearn volatile Keyword through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 34 Memory BarriersLearn Memory Barriers through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 35 Safe PublicationLearn Safe Publication through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 36 ImmutabilityLearn Immutability through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning
- 37 Memory LeaksLearn Memory Leaks through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 38 OutOfMemoryErrorLearn OutOfMemoryError through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 39 StackOverflowErrorLearn StackOverflowError through a detailed Java lesson with examples, exercises and practice questions.Advanced · 13 min read · 180 min learning
- 40 Java Platform Module SystemLearn Java Platform Module System through a detailed Java lesson with examples, exercises and practice questions.Advanced · 14 min read · 180 min learning