GWT Interview Questions and Answers

GWT Interview Questions and Answers

The GWT (Google Web Toolkit) is a free and open source web development framework. Mainly it allows the developers to easily create high performance AJAX applications using Java. It provides easy integration with Junit and Maven. The GWT provides two modes: Development Mode and Web Mode

Development Mode: It allows debugging the java code of applications directly via the standard java debugger.

Web Mode: It is translated into HTML and JavaScript code and can be deployed to a web developer.

What is GWT?

What are the features of GWT?

What are the core components of GWT?

What are the components of a GWT application?

What is Module descriptor in GWT?

What is the use of 'module' tag in *.gwt.xml file in GWT?

What is the use of 'inherits' tag in *.gwt.xml file in GWT?

What is the use of 'entry-point' tag in *.gwt.xml file in GWT?

Can you have multiple entry-point classes in a *.gwt.xml file?

Which method of an entry-point class is called when GWT application starts?

How onModuleLoad() functions get called if multiple entry-point classes are specified in *.gwt.xml?

What is the use of 'source' tag in *.gwt.xml file in GWT?

What is the use of 'public' tag in *.gwt.xml file in GWT?

What is the use of 'script' tag in *.gwt.xml file in GWT?

What is the use of 'stylesheet' tag in *.gwt.xml file in GWT?

What is an entry-point class?

What is *.nocache.js file in GWT?

What is .cache.html file in GWT?

Why should a .nocache.js file never be cached?

What is the purpose of Host Page?

What is the default style name of any GWT widget?

What is the purpose of setStyleName() function of a GWT widget?

What is the use of addStyleName() function of a GWT widget?

What is the use of removeStyleName() function of a GWT widget?

What is the use of getStyleName() function of a GWT widget?

What is the use of setStylePrimaryName() function of a GWT widget?

What is the difference between primary style and secondary styles of a GWT Widget?

How you can attach a CSS file with your GWT module?

Which class is the superclass of all user-interface classes?

Explain Widget class?

What is the use of Label widget of a GWT?

What is the use of HTML widget of a GWT?

What is the use of Image widget of a GWT?

What is the use of Anchor widget of GWT?

Which widget represents a standard push button in GWT?

Which widget represents a normal push button with custom styling in GWT?

Which widget represents a stylish stateful button which allows the user to toggle between up and down states in GWT?

Which widget represents a standard check box widget. This class also serves as a base class for RadioButton in GWT?

Which widget represents a mutually-exclusive selection radio button widget in GWT?

Which widget represents a list of choices to the user, either as a list box or as a drop-down list in GWT?

Which widget acts as a suggestion box in GWT?

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