Packages
com.google.gwt.core.client: Fundamental classes used in client-side GWT code.
com.google.gwt.core.ext: Classes used to extend the GWT compiler.
com.google.gwt.core.ext.typeinfo: Type-introspection support classes used by generators.
com.google.gwt.http.client: Provides the client-side classes and interfaces for making HTTP requests and processing the associated responses.
com.google.gwt.i18n.client: Internationalization support for GWT applications.
com.google.gwt.json.client: Classes for parsing and creating JSON encoded values.
com.google.gwt.junit.client: Classes and modules used in building JUnit tests.
com.google.gwt.user.client: Fundamental user-interface classes used in client-side GWT code.
com.google.gwt.user.client.rpc: Classes used in client-side implementation of remote procedure calls.
com.google.gwt.user.client.ui: Widgets, Panels, and other user-interface classes.
com.google.gwt.user.server.rpc: Classes used in server-side implementation of remote procedure calls.
com.google.gwt.xml.client: Basic classes used in XML DOM parsing and XML document generation.