---
title: 'Update 1.6.0_21 (6u21)'
url: 'https://tutego.de/blog/javainsel/2010/07/update-1-6-0_21-6u21'
markdown: 'https://tutego.de/blog/javainsel/2010/07/update-1-6-0_21-6u21.md'
date: '2010-07-08'
description: 'Änderungen unter . Interessantere Dinge: Support for Customized Loading Progress Indicators With Java SE 6u21, you can now enhance the loading experience of an application by providing a customized loading progress indicator (sometimes referred to as a progress bar) to better inform the end user o…'
taxonomy:
  category:
    - 'Java SE'
---

# Update 1.6.0_21 (6u21)

![Illustration einer tropischen Insel mit Palmen und einem hohen Berg](https://tutego.de/blog/javainsel/user/themes/tutego/images/insel-cover.jpg)# Java Blog für Programmierer

[Java Blog für Programmierer](https://tutego.de/blog/javainsel/)

## Update 1.6.0\_21 (6u21)

08.07.2010 · [Christian Ullenboom](https://tutego.de/blog/javainsel/author/admin/)

Änderungen unter .

Interessantere Dinge:

> ###### **Support for Customized Loading Progress Indicators**
> 
> With Java SE 6u21, you can now enhance the loading experience of an application by providing a customized loading progress indicator (sometimes referred to as a progress bar) to better inform the end user of how much of the application has been downloaded during startup. See the following topics for more information:
> 
> - [Customizing the Rich Internet Application Loading Experience](http://download.oracle.com/docs/cd/E17409_01/javase/6/docs/technotes/guides/jweb/customizeRIALoadingExperience.html)
> - [Customizing the Loading Experience](http://download.oracle.com/docs/cd/E17409_01/javase/tutorial/deployment/doingMoreWithRIA/customizeRIALoadingExperience.html) topic in the Java Tutorials
> 
> ###### **Java VisualVM**
> 
> Java VisualVM based on VisualVM 1.2.2 is included in Java SE 6u21. This release introduces the following features and enhancements:
> 
> - HeapWalker performance improvements
> - VisualVM-Sampler performance improvements
> - BTrace4VisualVM plugin introduces [BTrace 1.1](http://kenai.com/projects/btrace/forums/forum/topics/2262-BTrace-1-1-Released))
> - Profiling engine bugfixes
> - Built on NetBeans Platform 6.8
> 
> For more information, refer to the [VisualVM releases page](https://visualvm.dev.java.net/relnotes.html).

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