Google Web Toolkit

Google Web Toolkit (GWT), or GWT Web Toolkit, is an open source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java. Other than a few native libraries, everything is GWT Ant build files. It is licensed under the Apache License version 2.0. GWT emphasizes reusable approaches to common web development tasks, namely asynchronous remote procedure calls, history management, bookmarking, UI abstraction, internationalization, and cross-browser portability.

GWT version 1.0 RC 1 was released on May 16, 2006. Google announced GWT at the JavaOne conference, 2006. In August 2010, Google acquired Instantiations, a company known for its focus on Eclipse Java developer tools, including GWT Designer, which is now bundled with Google Plugin for Eclipse. In 2011 with the introduction of the Dart programming language, Google has reassured the GWT that GWT will continue to be supported for the foreseeable future, but also hinted at a possible rapprochement between the two Google approaches to “structured web programming”. They’ve also been working on a number of engineers working on GWT are now working on Dart. In 2012, their annual I / O conference, Google announced that GWT would be a fully integrated project. In July 2013,

Using GWT, developers can develop and debug Ajax applications in the Java language using the Java development tools of their choice. When the application is deployed, the GWT cross-compile translates the Java application to standalone JavaScript files that are optionally obfuscated and thoroughly optimized. When needed, JavaScript can also be embedded in Java code, using Java comments. GWT does not revolve only around user interface programming; it is a general set of tools for high performance client-side JavaScript functionality. Indeed, many key architectural decisions are left completely to the developer. The GWT mission statement clarifies the philosophical breakdown of GWT’s role versus the developer’s role. History is an example of such: GWT manages history tokens as users click or forward to the browser. GWT applications can be run in two modes:

The major GWT components include:

As of version 2.4 (September 2011), GWT offers several widgets and panels. Many common widgets have been implemented in third-party libraries, such as Sencha GXT (formerly Ext GWT), GWT Component Library, GWT-Ext, GWT Library Widget, GWTiger, Rocket GWT, Dojo, SmartGWT etc.

GWT uses or supports Java, Apache Tomcat (or similar web container), Eclipse IDE, Internet Explorer, and internationalization and localization. Java-based GWT RIAs can be tested using JUnit testing framework and code coverage tools. Because GWT allows compile time verification of images, CSS, and business logic, RIAs. Google has noted that some of its products are GWT based: Blogger, AdWords, Flights, Wallet, Offers, Groups, Inbox.

Google Translate Toolkit 2.0 with Speed ‚Äč‚ÄčTracer. Version 2.0 of GWT offers a number of new features, including:

As a general framework for making web apps, GWT is also capable of being used as a framework for making mobile and tablet apps, by using the widgets and animations from scratch, or by using one of the mobile frameworks for GWT. An HTML5 app written in GWT. Some of the most common mobile GWT libraries are GwtMobile, gwt-mobile-webkit, jqm4gwt, m-gwt, gwtbootstrap3.

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