• Mockito Made Clear
• Help Your Boss Help You, also on Amazon
• Kotlin Cookbook
• Modern Java Recipes
• Gradle Recipes for Android
• Making Java Groovy

FYI, my last name is pronounced as though it was spelled "cousin," like the relative. Go figure.

My one-person company is Kousen IT, Inc.. I say "Kousen Eye-Tee", but my wife calls it "Kousen IT" like it was from the Addams Family

• Tales from the jar side: DevNexus adventures, Delta chaos, Fun with OpenClaw, and the usual smattering of social media silliness
• Tales from the jar side: A Nano Banana Skill, UI Testing made simple, Anthropic vs Pentagon, Anthropic vs China, DevNexus, and the usual Social Media silliness
• Tales from the jar side: My Trek/Java video, Gemini 3.1 lags, More OpenClaw drama, DevNexus, and the usual social media stuff
• Tales from the jar side: RAG video, My clawdbot's wins and losses, the SaaSpocalype, and the usual social media silliness
• Tales from the jar side: Moltbook implodes, OpenClaw is okay, a RAG demo, My dad's favorite player passes away, my SB pick, and the usual social media silliness

• I Finally Understand What MCP Is For
• Sure, I’ll sign your ebook
• Waiting for Spring AI Streaming Responses in JUnit Tests
• AI vs Cthulhu: How to Bypass Guardrails
• Perplexity AI API: Real-Time Search and AI Summation

• You can always find out what I'm doing from my free newsletter, Tales from the jar side
• I also manage the Tales from the jar side YouTube channel
• My blog contains posts from my work using Java, Groovy, Kotlin, and more