Creating a DSL for AWT’s Robot

The Java SDK ships with the class java.awt.Robot that allows the automation of keyboard and mouse input as well as…

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Hibernate Tutorial – The ULTIMATE Guide (PDF Download)

EDITORIAL NOTE: In this post, we feature a comprehensive Hibernate Tutorial. Hibernate ORM (Hibernate in short) is an object-relational mapping…

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JPA 2.1: Unsynchronized persistence context

The JPA version 2.1 brings a new way how to handle the synchronization between the persistence context and the current…

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JPA 2.1 criteria delete/update and temporary tables in Hibernate

Since JPA version 2.0 the EntityManager offers the method getCriteriaBuilder() to dynamically build select queries without the need of string…

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JPA Tutorial – The ULTIMATE Guide (PDF Download)

EDITORIAL NOTE: In this post, we feature a comprehensive JPA Tutorial. The Java Persistence API (JPA) is a Java programming…

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Testing System.in and System.out with system-rules

Writing unit tests is an integral part of software development. One problem you have to solve when your class under…

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cjmx: A command-line version of JConsole

JConsole is a nice tool when it comes to monitoring a running Java application. But when it is not possible…

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100 Multithreading and Java Concurrency Interview Questions and Answers – The ULTIMATE List (PDF Download)

In this post, we feature a comprehensive article on Multithreading and Java Concurrency Interview Questions and Answers. EDITORIAL NOTE: Concurrency…

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Analysing the performance degradation/improvements of a Java EE application with interceptors

When you are developing a Java EE application with certain performance requirements, you have to verify that these requirements are…

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