Learn how to use Timefold Solver, a planning optimization tool, to determine an optimal employee shift schedule.
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Differences Between Entities and DTOs
Learn about the conceptual differences between an entity and a DTO by example in Java.
Working With HarperDB and Java
Discover Java’s support for HarperDB, a high-performing flexible NoSQL database with the power of SQL.
Passing JVM Options from Gradle bootRun
Explore different ways to pass JVM options to the bootRun command.
Setting a Spring Bean to Null
Learn how to set beans in the Spring context to nulls.
Context-Specific Deserialization Filters in Java 17
Explore Java’s latest enhancement, Context-Specific Deserialization Filter (JEP 415), in action.
Overriding Spring Beans in Integration Test
In this tutorial, we learn how to override Spring beans in integration tests.
Ensuring Message Ordering in Kafka: Strategies and Configurations
Learn how to ensure that messages are sent and received in the same order with Kafka.
Splitting Streams in Kafka
Explore how to dynamically route messages in Kafka Streams.
A Guide to OpenRewrite
Learn the basics of the OpenRewrite, a library to for managing Maven dependencies.
How to Write and Read a File with a Java HashMap
Explore three methods for writing to and reading from a file with HashMap data.
@ConditionalOnThreading Annotation Spring
Explore a new Spring annotation – @ConditionalOnThreading.
Localized Validation Messages in REST
Learn to localize validation messages in a REST web service.
Overriding Cucumber Option Values
Explore three methods to override the Cucumber option values.
Passing Strings by Reference in Java
Learn how to change a method’s input String while preserving immutability and avoiding side effects.
How to Create CSV File from POJO with Custom Column Headers and Positions
Learn how to convert POJO to CSV format and write to the CSV file.
How to Mock Environment Variables in Unit Tests
Learn how to write unit tests for code that uses environment variables with these Java testing libraries.
Configuring the GlassFish Server in Eclipse
Learn step-by-step how to setup a GlassFish server within the Eclipse IDE.
How to Remove Line Breaks From a File in Java
Learn about the different kinds of line breaks and explore various approaches to removing line breaks from a file.
API Versioning in Micronaut
Learn how to implement API versioning with Micronaut.