Technical Learning Guides5
Choose the problem you want to solve. Each path connects available articles with code and recorded checks. Read each article’s environment and limits before reusing an example.
10 articles
Java Coding Exercises: Arrays, Strings and Collections
Learn Java problem-solving through exercises on arrays, strings, stacks, maps, sets, caching, and sorting, with complete code and input bounds.
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Spring Boot Guides: Setup, Persistence, Testing and Packaging
Follow working Spring Boot examples from project setup and IDE checks to Jakarta persistence, query comparisons, HTTP tests and frontend packaging.
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Shell Automation Guides: Interpreters, YAML and Release Assets
Choose sh or Bash, validate YAML and numeric versions, then select GitHub release assets with explicit input contracts and local tests.
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JDK Guides: Final APIs, Preview History and Binary Checks
Distinguish final and preview JDK 21 features, understand the String Templates history and inspect JDK binary metadata under each article’s recorded scope.
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Development Tool Guides: HTTP Checks, Code Search and Diagrams
Probe local HTTP responses, narrow a code search and keep editable draw.io sources with shared diagrams through small practical examples.
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