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One of the best way to link together different parts of your application environment is to use asynchronous messaging. And the standard way to do this with Java is JMS. And one of the most popular tools for developing JMS messaging applications is ActiveMQ. Here we will discuss JMS messaging with and provide some ActiveMQ … Read more

The equals method and the == operator are often the focus of tests and interview questions as testing for equality in Java is often something that can trip up beginner java developers. So what is the difference between the method and the operator? Lets try and make this crystal clear. Both the equals() method and … Read more

In this tutorial, lets see how we can use OCR to extract text from a PNG image, using Java. We should be able to do this using free open source tools, so no need to spend any money here. How We Will Extract The Text From The Image Introduction If you have text in an … Read more

Converting between Eclipse and Windows Newlines The differences between Unix and Linux with regard to line endings in editors can often cause issues. Many people run their IDEs on Microsoft Windows then transfer their code to Unix. This is generally fine for code which is usually compiled, but for scripts that are run straight on … Read more