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Fill in the blanks :- The highest-level event class of the event-delegation model is _____
A) java.util.eventObject
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What class is the top of the AWT event hierarchy?
A) java.awt.AWTEventB) java.awt.EventC) java.util.eventObjectD) javax.swing.ObjectExplanation: The java.awt.AWTEvent class is the highest-level class in the AWT event class hierarchy.
pallavr
- Jun 30th, 2006
This is kind of a dicy question:But in Java the event heirarchy goes like :java.lang.object -> java.util.EventObject -> java.awt.AWTEvent.So the java.util.EventObject is the superclass of all ev...
srikanth.kondapaneni
- Dec 26th, 2005
The class which is at the top of the AWT event hierarchy is java.util.eventObject ie " c".
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If a frame uses a Grid layout manager and does not contain any panels, then all the components within the frame are the same width and height.
A) TrueB) False
Mohit Hajela
- Jan 9th, 2006
TRUE:As the Grid Layout distributes the space into equal cells of a grid, and each of the 'cells' will allow th componenet to take the entire space.
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Which of the following statement(s) are true?
A) The default layout manager for an Applet is FlowLayoutB) The default layout manager for an application is FlowLayoutC) A layout manager must be assigned to an Applet before the setSize method is calledD) The FlowLayout manager attempts to honor the preferred size of any components
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Which of the following are true about MouseListenerInterfaces? (Select Multiple)
A) The MouseListener interface defines methods for handling mouse clicks.B) The MouseMotionListener interface defines methods for handling mouse clicks.C) The MouseClickListener interface defines methods for handling mouse clicks.D) The MouseListenerInheritance interface defines methods for handling the clicking of a button.
zibyphilip
- Feb 13th, 2008
The following options are correct:A) TrueExplanation: MouseListener Interface defines the methods for mouse clicks, mouse pressed etc. Hence this is true.B) TrueExplanation: The MouseMotionListener de...
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Which of the following are true? (Select Multiple)
A) A component may handle its own events by adding itself as an event listener.B) A component may handle its own events by overriding its event-dispatching method.C) A component may not handle oits own events.D) A component may handle its own events only if it implements the handleEvent( ) method.
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All Applets are subclasses of Applet.
A) TrueB) False
pallavr
- Jul 10th, 2006
True.java.awt.Object->java.awt.Component->java.awt.Panel->java.applet.Applet.So all applets are subclasses of applet itself.
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Which classes and interfaces does Applet class consist? (Select Multiple)
A) The Applet classB) AppletContext Interface.C) AppletStub InterfaceD) AudioClip Interface
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Which Font attributes are available through the FontMetrics class? (Select Multiple)
A) ascentB) leadingC) caseD) height
chandru
- Apr 20th, 2006
a
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Which of the following are true? (Select Multiple)
A) The AWT automatically causes a window to be repainted when a portion of a window has been minimized and then maximized.B) The AWT automatically causes a window to be repainted when a portion of a window has been covered and then uncovered.C) The AWT automatically causes a window to be repainted when application data is changed.D) The AWT does not support repainting operations.
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You have created a simple Frame and overridden the paint method as follows public void paint(Graphics g){ g.drawString("Dolly",50,10);}What will be the result when you attempt to compile and run the program?
A) The string "Dolly" will be displayed at the centre of the frameB) An error at compilation complaining at the signature of the paint methodC) The lower part of the word Dolly will be seen at the top of the form, with the top hidden.D) The string "Dolly" will be shown at the bottom of the form
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A text field has a variable-width font. It is constructed by calling new TextField("iiiii"). What happens if you change the contents of the text field to "wwwww"? (Bear in mind that is one of the narrowest characters, and w is one of the widest.)
A) The text field becomes wider.B) The text field becomes narrower.C) The text field stays the same width; to see the entire contents you will have to scroll by using the ß and à keys.D) The text field stays the same width; to see the entire contents you will have to scroll by using the text field’s horizontal scroll bar.
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What are the immediate super classes of the following classes? (Select Multiple)
A) Container - ComponentB) MenuComponent - ObjectC) Dialog - WindowD) Applet - Panel
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Which of the following are direct or indirect subclasses of Container? (Select Multiple)
A) FrameB) TextAreaC) MenuBarD) FileDialogE) Applet
ramakrishna Reddy
- Sep 14th, 2006
A,E are the sub classes of container
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Whatis difference between applet and swing ,is it possible connect database through appletbased gui?
Vijay Kumar
- Sep 26th, 2006
The difference between the applet and swing is as mentioned below:1. Applet belongs to java.awt package and swing belongs to javax.swing.* package.2. Applet is a heavy weight component but swing comes...
Sharad Chandra
- Apr 13th, 2006
Yes it is possibe.You can communicate to databases through applet using Applet-Servlet Communications.What u need is to use URL class to send Query to servlet which interacts with the database and send the Query results back to the applet.
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What do you mean by content pane, root pane and scroll pane? What are its use?
LaksRao
- Sep 20th, 2009
Content Pane holds the container's visible components excluding Menu Bar.Every Top level container has a root pane which includes glass pane ( to intercept user events like mouse clicks), layered ...
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The types of popups in swing are 1. Lightweight Popup2. Heavyweight popup3. Medium weight popup
A) 1, 2B) 2, 3C) 1, 3D) 1, 2, 3
srikanth.kondapaneni
- Dec 21st, 2005
Swing attempts to maximize popup performance by dynamically choosing the most efficient container to display a popup just prior to showing the popup. The types of popups created are: Light...
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What are invisible componants in swings ? (Select Multiple)
A) Componants which take space in the GUI on the client interface.B) Componants which cannot perform painting operation.C) Componants which can perform painting operation.D) The componants that are visible but no componants can be added in it.
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Which containers use border layout as their default layout ? (Select Multiple)
A) PanelB) DialogC) FrameD) Window
srikanth.kondapaneni
- Dec 21st, 2005
The default layout of a Panel is FlowLayout.The default layout of Window class is BorderLayout.BorderLayout is the default layout of the subclasses of window class such as Frame and Dialog. So the answer would be B,C,D.
Java Swing Interview Qustions
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