Java - ard

All tutorials and information related to Java, JSF and frameworks that are used in Java programming.

JUnit vs TestNG Difference - Features, Assertions and Annotiations

This is an introduction into the differences regarding the features, the assert commands ("assertFalse", "assertEquals", etc.) and the annotations ("@BeforeEach", etc.) of the two popular testing frameworks "JUnit" and "TestNg".

Java Pattern Factory - Encapsulate the creation of an Class instance

The pattern "Factory" can be used in cases where the creation process of an object instance of a class is too complicated or should be separated.

Java Pattern Decorater - Extend your object functionality dynamically in a structured way

This pattern is used to extend the functionality of objects without the usage of inheritance or changing the original code. This is part of the series "Design Pattern in Java".

Java 13 - New enhanced switch

Now it is possible to create a switch with other syntax. This feature was introduced as a suggested in Java 12 and it is now available as a preview feature in Java 13.

Java 13 - HTTP Client API: Get data from and send data to a web server

Java 11 introduced the new HTTP Client API which can be used to create HTTP responses and requests through Java code. This is an introduction to the usage of this new API in Java 13.