Google released the Google Visualization API Library for Google Web Toolkit (GWT). You can now utilize the visualization and reporting capabilities of the Google Visualization API while writing native Java code for your GWT applications and enjoy the best of both worlds. The library includes wrappers for many of Google's visualizations, such as Bar Chart, Annotated Time Line, Map, Motion Chart, Organizational Chart and many others. We have marked all the visualizations that are currently supported by this library in the Visualization Gallery.

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