Java - The Awesome Dude

Fibonacci Sequence With and Without Recursion

Fibonacci sequence is sequence with subsequent number is the sum of the previous two. See snapshot below from wikipedia. We can implement this algorithm either using recursion or without. Let see both.Before the implementation let see how is the sequence defined for every F(n). F(0) = 1 or

Java

java.lang.SecurityException When Shutdowning JBoss

We can run following command when starting JBoss. We assume there are already jboss system user in OS. Centossu jboss -c '$JBOSS_HOME/bin/run.sh -b 0.0.0.0 > /dev/null 2> /dev/null &'# Ubuntusudo -u jboss $JBOSS_HOME/bin/run.sh -b

Java

JBoss AS 7 has Released

It is little bit surprising when I browse to this evening and found a news that announce has been released. I am surprised because what I remember JBoss 6 was released not too long a go. When I see the release date, JBoss 7 is released only 6 months after

Java

Detail Guide to Use JBoss Profiler

Long time I haven't write new post. Here the guide about remote profiling. According to wikipedia, software profiling is a process of optimizing source code by analyzing the application running by profiler tools. By using profiler we can know how many times a method or function is invoked and also

Java

Java Must Have Book for Beginner

This post is pasted from my previous blog written 4 January 2008. I am delving in learn Java programming language in this last 2 or three year previous. My interest in Java, perhaps is caused by my previous programming language I learn before, C language. We all know, although there

Java

Programming Language whose write JVM

This post is pasted from my previous blog posted 15 June 2008. One of interesting point that is considered as the advantage of Java programming language is its portability. The jargon for that ability is really famous. Write once run anywhere (WORA). Although it will be needed hard work to