Java Engineering: Design Patterns, Testing, and Deployment

Writing basic Java code is one thing, but structuring, testing, and deploying robust applications at scale requires a different set of professional engineering skills. This course bridges that gap by introducing you to the core design patterns and production workflows used in industry-standard software development. You will transition from writing simple scripts to designing maintainable, enterprise-ready Java systems using written explanations, structured code examples, and practical exercises. What you'll learn: - Implement classic creational, structural, and behavioral design patterns optimized with modern Java features like lambdas, records, and sealed classes. - Apply Test-Driven Development (TDD) principles using JUnit 5 to write reliable, self-documenting unit tests. - Isolate components and mock external dependencies effectively using Mockito to ensure robust test coverage. - Package and containerize Java applications using Docker to ensure consistent environments from development to production. - Understand the basics of container orchestration with Kubernetes to manage scalable, resilient application deployments. The course begins with foundational concepts in software architecture and design patterns, moves into rigorous testing methodologies, and concludes with modern packaging and containerized deployment strategies. You will read comprehensive text-based explanations and analyze practical code snippets designed to build real-world engineering intuition. This course is designed for Java developers who understand basic syntax and object-oriented programming and want to step up to professional development. No prior experience with testing frameworks or container tools is required. Start reading today to elevate your Java applications to production-grade standards.