Merge pull request #1315 from github/revert/java-cookbook-from-main

revert: Remove Java cookbook from main (was merged to wrong branch)

Author: brunoborges

cookbook/README.md

@@ -10,7 +10,7 @@ The cookbook is organized by tool or product, with recipes collected by language
 
 Ready-to-use recipes for building with the GitHub Copilot SDK across multiple languages.
 
-- **[Copilot SDK Cookbook](copilot-sdk/)** - Recipes for .NET, Go, Java, Node.js, and Python
+- **[Copilot SDK Cookbook](copilot-sdk/)** - Recipes for .NET, Go, Node.js, and Python
   - Error handling, session management, file operations, and more
   - Runnable examples for each language
   - Best practices and complete implementation guides

cookbook/copilot-sdk/README.md

@@ -44,16 +44,6 @@ This cookbook collects small, focused recipes showing how to accomplish common t
 - [Persisting Sessions](go/persisting-sessions.md): Save and resume sessions across restarts.
 - [Accessibility Report](go/accessibility-report.md): Generate WCAG accessibility reports using the Playwright MCP server.
 
-### Java
-
-- [Ralph Loop](java/ralph-loop.md): Build autonomous AI coding loops with fresh context per iteration, planning/building modes, and backpressure.
-- [Error Handling](java/error-handling.md): Handle errors gracefully including connection failures, timeouts, and cleanup.
-- [Multiple Sessions](java/multiple-sessions.md): Manage multiple independent conversations simultaneously.
-- [Managing Local Files](java/managing-local-files.md): Organize files by metadata using AI-powered grouping strategies.
-- [PR Visualization](java/pr-visualization.md): Generate interactive PR age charts using GitHub MCP Server.
-- [Persisting Sessions](java/persisting-sessions.md): Save and resume sessions across restarts.
-- [Accessibility Report](java/accessibility-report.md): Generate WCAG accessibility reports using the Playwright MCP server.
-
 ## How to Use
 
 - Browse your language section above and open the recipe links
@@ -94,18 +84,11 @@ cd go/cookbook/recipe
 go run <filename>.go
 ```
 
-### Java
-
-```bash
-cd java/recipe
-jbang <FileName>.java
-```
-
 ## Contributing
 
 - Propose or add a new recipe by creating a markdown file in your language's `cookbook/` folder and a runnable example in `recipe/`
 - Follow repository guidance in [CONTRIBUTING.md](../../CONTRIBUTING.md)
 
 ## Status
 
-Cookbook structure is complete with 7 recipes across all 5 supported languages. Each recipe includes both markdown documentation and runnable examples.
+Cookbook structure is complete with 7 recipes across all 4 supported languages. Each recipe includes both markdown documentation and runnable examples.