We all are familiar with reading/writing file in a synchronous way. In Java 7 a new API was added to read/write the contents of the file asynchronously. The API is AsynchronousFileChannel. also read: Java 7.0 Tutorials New Features in Java 7.0 G1 Garbage Collector in Java 7.0 In this example lets look at how to …
How to use ByteBuffer in Java?
ByteBuffer API has been in Java since 1.4. The name itself suggests that these contain bytes of data. The data to be stored in the buffer can be Integer (int, long), Characters (char), Floating value (double), all these are converted into bytes before being stored in the buffer array. ByteBuffer can be of two types- …
Creating JSON using Groovy
I wrote previously about parsing JSON in Groovy. In this article I show a simple example of creating JSON using Groovy. I had to learn about creating JSON using Groovy as I would be using JSON as the response format in the REST API which might be developed sometime in future. also read: Groovy Tutorials …
Introduction to Java Agents
In this article we will discuss about Java Agents. Java Agents are software components that provide instrumentation capabilities to an application. In the context of agents, instrumentation provides the capability of re-defining the content of class that is loaded at run-time. We will discuss this in more detail in the further sections. Download Source Code: …
Embedding HTML into Java Swing Applications
HTML in Swing applications? Yes, you have read it right. Swing doesn’t provide components to embed HTML and I have seen lot of people asking how can we add html content in Swing applications. Your concerns have been addressed by the latest release of JavaFX which is JavaFX 2.0. You might wonder what this JavaFX …
Using JsonSlurper Groovy API from Java to parse JSON
We have seen here on how to parse JSON in Java using Gson and here on how to parse JSON in Groovy. I also touched upon in brief about Groovy here. The beauty of these JVM languages is that one can invoke these APIs from Java, the only requirement is that you need to have …
Parsing JSON using Java and GSON library
In my previous post here, I gave a brief overview of JavaScript Object Notation (JSON). In this post I would go a bit further and show how one can parse the JSON documents into Java objects using the GSON library. The JSON data for this tutorial was obtained from: also read: JSON Tutorials Java EE …
Download file from HTTP & HTTPS server using Java
In the earlier articles, JavaBeat has published many articles on uploading and downloding of files using the Java programming. Upload and Download is essential utility in the programming world because every server must have the feature to upload and download the files by the user or downlod the reports incase of the enterprise applications. The …