Groovy is a dynamic language with powerful capabilities for typing and compilation on the Java platform; use this snippet to debug it without compiling.
Understand the Java Memory Model for the heap, as well as garbage collection algorithms, and memory leak best practices all with diagrams and bite-sized descriptions.
Are containers good for the enterprise? Yep. Is Oracle used everywhere for enterprise DBMS? Yes, all the numbers say. Learn how to deploy a Java app with two existing Oracle XE databases using Docker.
A preview of our new research guide: The DZone Guide to the Java Ecosystem, from Ivar Grimstad about how to build microservices and use containers in Java.