This article discusses the advantages of multithreading and the multithreading offerings available from Sun. At the time of this writing, you can get Ruby and JRuby support with the NetBeans IDE in either of the following two ways.
Rest assured we will try to make this easier in jMaki.
Sun also provides free, open source tools for developing multithreaded applications on the Solaris OS.
The JRuby code is shorter, and its class declarations are simplified.
For More Information rubylearning. Although curly braces work for closures, they do not work in other places, and the scriptlike syntax is more readable and easier to debug.