Double Brace Initialization in Java!
Few days back I came to know about a different way of initializing collections and objects in Java. Although this method of initialization has been there in Java since quite a few years now,...
Java Tutorials, Tips & Tricks
RESTful Web Service tutorial: An Introduction for beginners
REST is a term coined by Roy Fielding in his Ph.D. dissertation to describe an architecture style of networked systems. REST is an acronym standing for Representational State Transfer. Representational State Transfer(REST), a software...
iText tutorial: Merge & Split PDF files using iText JAR
In previous article about Generating PDF files using iText JAR, Kiran Hegde had described a nice and basic way of generating PDF files in Java using iTest JAR. It is a great starter tutorial...
Tutorial: Create Autocomplete feature with Java – JSP / jQuery
Autocomplete is a common feature available in lot of web tools and services. You will find lots of implementation of autocomplete features. Let us see how can we implement a simple Autocomplete feature for...
Sun announced Java App Store at JavaOne 2009
Sun Microsystems has announced its own version of Apple’s App store, The Java Store. As a part of the opening general session of JavaOne on Tuesday, Scott McNealy and James Gosling unveiled the Java...
How to execute a command prompt command & view output in Java
The basic part is very easy. To do this, we will use the Runtime’s exec method. The code would be like: The command (I’ve used “ping localhost” ) can be anything that your command...
Inspect your code in Eclipse using Eclipse Scrapbook feature
The java IDEs (eclipse, IRAD etc) contribute a scrapbook facility that can be used to try and evaluate Java expressions (such as code snippets). Java scrapbook errors are shown in the editor. Snippets are...
Getting JVM heap size, used memory, total memory using Java Runtime
Reading runtime information about Java is useful sometime when your application is struggling in getting resources. System Memory is one of the main resource that an application developer has to consider while managing the...
Varargs in Java: Variable argument method in Java 5
I think I am late for writing about varargs. The feature of variable argument has been added in Java 5 since its launch. Still I will write something about varargs. varargs has been implemented...
20 very useful Java code snippets for Java Developers
Following are few very useful Java code snippets for Java developers. Few of them are written by me and few are taken from other code reference. Feel free to comment about the code and...