| Comparing the Google Web Toolkit to Echo2 |
| By Brendan Horverson |
Published
06/27/2006
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AJAX
| This tutorial viewed 1545 times
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Run-time Environment
GWT has some limitations due to the fact that applications are run on the client browser. First, GWT applications are limited to using a subset of the core Java class libraries, consisting of 27 classes, 11 interfaces, and 18 exception types found in the java.util and java.lang packages (as of GWT 1.0.21). This limitation prevents GWT applications from linking to most existing Java libraries. Additionally, all Java code must be compliant with the Java 1.4 specification; 1.5 is not supported. Localization-related portions of the Java API are not provided.
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