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Expose your Own Diagnostics Your app has more to say: expose it with a custom Actuator endpoint! 🔸 TLDR ▪️ Add Spring Boot Actuator to your project 📦 ▪️ Choose which endpoints should be exposed 🌐 ▪️ Create a custom endpoint with @Endpoint ⚙️ ▪️ Publish data with @ReadOperation 📤 ▪️...

“Some have described Java 8 as candy with Lambdas and Java 9 as medicine with modules.”--Mark Reinhold This comparison perfectly captures how developers received two major Java releases. ☕ 🔸 TLDR ▪️ Java 8 gave developers features they could enjoy immediately. ▪️ Java 9 introduced...

What happens when lessons from the 1 Billion Row Challenge meet Apache Parquet? 🤔 Java Champion Gunnar Mörling is building Hardwood: a Java-based parser, reader and future writer for Parquet files. 🔸 TLDR ▪️ Lightweight Java access to Parquet files ▪️ No full Hadoop dependency stack ▪️...