GWT Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to GWT. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Which of the following is not a core component of GWT framework?

A - GWT Java to JavaScript compiler

B - JRE Emulation library

C - GWT UI building library

D - Web Browser

Answer : D

Explaination

Web Browser is not a core component of GWT framework.

Q 2 - What is the purpose of 'inherits' tag in *.gwt.xml file in GWT?

A - This provides name of the application.

B - This adds other gwt module in application just like import does in java applications. Any number of modules can be inherited in this manner.

C - This specifies the name of class which will start loading the GWT Application.

D - None of the above.

Answer : B

Explaination

'inherits' tag in *.gwt.xml file adds other gwt module in application just like import does in java applications. Any number of modules can be inherited in this manner.

Q 3 - What is *.cache.html file in GWT?

A - It contains the actual program of a GWT application.

B - It contains the actual program of a GWT framework.

C - Both of the above.

D - None of the above.

Answer : A

Explaination

*.cache.html contains the actual program of a GWT application.

Q 4 - What is the purpose of removeStyleName() function of a GWT widget?

A - This method will clear any existing styles and set the widget style to the new CSS class provided using style.

B - This method will add a secondary or dependent style name to the widget.

C - This method will remove given style from the widget and leaves any others associated with the widget.

D - This method sets the object's primary style name and updates all dependent style names.

Answer : C

Explaination

removeStyleName() method will remove given style from the widget and leaves any others associated with the widget.

Q 5 - Which of the following gwt widget represents a normal push button with custom styling?

Answer : B

Explaination

PushButton widget represents a normal push button with custom styling.

Q 6 - Which of the following gwt widget represents a file upload?

Answer : B

Explaination

FileUpload widget represents a file upload.

Q 7 - Which of the following is true about layout panels in GWT?

A - Layout Panels can contain other widgets.

B - These panels controls the way widgets to be shown on User Interface.

C - Every Panel widget inherits properties from Panel class which in turn inherits properties from Widget class and which in turn inherits properties from UIObject class.

D - All of the above.

Answer : D

Explaination

Layout Panels can contain other widgets. These panels controls the way widgets to be shown on User Interface. Every Panel widget inherits properties from Panel class which in turn inherits properties from Widget class and which in turn inherits properties from UIObject class.

Q 8 - Which of the following panel lays its child widgets out 'docked' at its outer edges, and allows its last widget to take up the remaining space in its center?

Answer : B

Explaination

DockPanel widget represents a panel that lays its child widgets out 'docked' at its outer edges, and allows its last widget to take up the remaining space in its center.

Q 9 - Which of the following is correct about GWT UiBinder?

A - The UIBinder provides a declarative way of defining User Interface.

B - The UIBinder seperates the programmic logic from UI.

C - The UIBinder is similar to what JSP is to Servlets.

D - All of the above.