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Sun Microsystems has unveiled a new GUI-based tool for visualizing data sources and troubleshooting Java applications. Java VisualVM 1.0 launched Tuesday as part of JavaSE 6 Update 7. VisualVM is a ...

Although jstack (Java Stack Trace) is a useful tool for learning more about a how a Java thread is behaving, VisualVM is an even easier method for obtaining the same type of information. It is easy to ...

As I have worked with JRuby, it has been interesting to observe the intersection of the Java and Ruby communities. Because JRuby potentially combines with best of the JVM with the best of Ruby, it is ...