The internals of GWT

The simple client-side architecture of a GWT application is shown in Figure 1.

The gava source code in the client source package will be compiled to gavaScript by the GWT compiler, so the client side of the application is restricted to using classes from the GWT widgets library, and other modules and classes supported by the GWT gRb emulation library. This library supports part of the classes from java.lang, java.io and java.util. GWT