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Latest featured content about JVM

Scala: Bringing Future Languages to the JVM

Community
Java
Topics
Domain Specific Languages,
Language

In this presentation, Lex Spoon discusses the Scala programming language. Topics covered include the origin of Scala, the philosophy behind Scala, the Scala feature set, Object-Oriented and Functional programming in Scala, examples of Scala code, writing DSLs, how Scala is converted into Java, Scala performance, Abstract Data Types, unapply, actors and partial functions.

News about JVM

Terracotta 2.6 Supports Cluster Visualization Tools and Tomcat 6 Integration

Community
Java
Topics
Performance & Scalability,
Clustering & Caching

The latest version of Terracotta, an open source JVM clustering framework, includes new features like cluster visualization tools and official support for Tomcat 6 platform. Terracotta team announced on Monday, the general availability of version 2.6 of the product which also includes performance improvements in several common use-cases.

Programming for the DLR

Community
.NET,
Ruby
Topics
Silverlight,
Scripting,
.NET Framework

The Dynamic Language Runtime (DLR) is an effort to facilitate the creation of language runtimes on .NET. IronRuby, a Ruby for .NET, is one of the languages built on the DLR that helps to push its limits. A new blog gives a step by step introduction to the DLR and how to build languages on it.

Why Scala?

Community
Java
Topics

Scala is one of the newer languages for the JVM, but why would developers want to choose Scala over Java? There are many reason, but for many Scala provides many of the language features of Ruby in a statically-typed environment.

Articles about JVM

Real-Time Java for the Enterprise

Community
Java
Topics
Real Time,
Performance & Scalability

Simon Ritter explains the vision and capabilities of the Real-Time Java specification (RTSJ), if your Java app really, really must respond within a certain time regardless of what the garbage collector does, RTSJ is now a possibility rather than a probability.

The Box: A Shortcut to finding Performance Bottlenecks

Community
Architecture,
Java
Topics
Performance & Scalability,
Deployment / Datacenter

Finding performance bottlenecks can be a difficult task and it can get even more difficult as our applications grow in size. The Box is a methodology tool that focuses us efforts to improve performance.If you want to be consistent and predictable, getting rid of the guessing is a must.

Interviews about JVM

Charles Nutter discusses JRuby

Community
Java,
Ruby
Topics
Web Frameworks,
Ruby on Rails,
Application Servers,
Enterprise Architecture,
Platforms,
Compilers,
JRuby,
Community

JRuby project lead Charles Nutter discusses how he got involved with JRuby, Sun's involvement with JRuby, how JRuby fits into enterprise-level web applications, the possibility of a friendly fork of the OpenJDK source code, reasons for switching to JRuby, the future of JRuby, Spring and JRuby, and the Ruby community as a whole.

Presentations about JVM

Java EE Class Loading Architectures

Community
Java
Topics
Application Servers,
Deployment / Datacenter

Ernie Svehla, Chief Architect of IntelliObjects reviews Java Class Loading basics, comparing the class loading architectures of the Sun's Appserver 9, BEA WebLogic 9.1, and JBoss 4.0.2. The presentation concludes with a discussion of best practices for packaging JEE applications followed by techniques for resolving common class loading problems such as ClassNotFoundException, or NoDefFound Errors.

Dynamically Typed Languages for the JVM

Community
Java
Topics
Dynamic Languages

Scripting languages are of growing importance, and they are typically dynamically typed. This session discusses improved support for these languages in the JVM, through the use of the new invokedynamic bytecode and through improved support for hot-swapping--modifying code and classes on the fly while maintaining the JVM software's security and integrity.