Sorted:

Dive – Analyze Docker Images

Containerization with Spring Boot and Docker

Mockito: verify usecases

Mockito: Mock private field initialization

Java Streams Max/Min of a List or Collection

Java 8 Streams filter examples

How to Dump a Database using DBeaver

Java Gradle Dependency Management

Kafka authentication using SASL/SCRAM

Java UML – Collections, Streams, Exceptions Cheat Sheet