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Consider the following tags and attributes of tags: CODEBASE ALT NAME CLASS JAVAC HORIZONTALSPACE VERTICALSPACE WIDTH PARAM JARWhich of the above can be used within the and tags?
A) line 1, 2, 3B) line 8, 9C) line 3, 4, 5D) line 8, 9, 10
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How to assign different reference into an another reference.
suppose i have 4 JFrames in my project and i want to use single JDialog for all the JFrames, in such situation i have to pass the current JFrame class ie "this" keyword , the problem to receive different reference in the same class in different JFrames.
I have already tried by using Object class ,but it was not acceptedmy be through abstract classes or interfaces -
Swing Background Color
How to change default background color in Swing?
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SetSelectionInterval and addSelectionInterval
Can somebody let me know what is the difference between setSelectionInterval and addSelectionInterval with example?
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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.
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State true or false :- The event delegation model, introduced in release 1.1 of the JDK, is fully compatible with the event model.
A) TrueB) False
pallavr
- Jun 30th, 2006
Answer is false.As earlier event model with jdk1.0 only components classes have event handling methods and so no other object can handle events.But with jdk1.1 delegation event model component ev...
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Which of the following options are correct regarding the organization of layouts (Select Multiple)
A) FlowLayout : The elements of a FlowLayout are organized in a top to bottom, left to right fashion.B) BorderLayout : The elements of a BorderLayout are organized at the borders (North, South, East and West) and the center of a container.C) CardLayout : The elements of a CardLayout are stacked, one on top of the other, like a deck of cards.D) GridBagLayout : The elements of a GridLayout are of equal...
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An application has a frame that uses a Border layout manager. Why is it probably not a good idea to put a vertical scroll bar at North in the frame?
A) The scroll bar’s height would be its preferred height, which is not likely to be enough.B) The scroll bar’s width would be the entire width of the frame, which would be much wider than necessary.C) Both a and b.D) Neither a nor b. There is no problem with the layout as described.
pallavr
- Jun 30th, 2006
The vertical scroll bar is wide and fat and it is not very useful.Option B is correct.
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What is the result of executing the following Java class: import java.awt.*; public class FrameTest extends Frame {public FrameTest() {add (new Button("First"));add (new Button("Second"));add (new Button("Third"));pack();setVisible(true);}public static void main(String args []) {new FrameTest();}} Select from the following options:
A) Only the "third" button is displayed.B) A runtime exception is generated (no layout manager specified).C) Only the "first" button is displayed.D) Only the "second" button is displayed.
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Which of the following are true?
A) The event-inheritance model has replaced the event-delegation model.B) The event-inheritance model is more efficient than the event-delegation model.C) The event-delegation model uses event listeners to define the methods of event-handling classes.D) The event-delegation model uses the handleEvent( ) method to support event handling.
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Which of the following option(s) doesn’t correctly describe the Applet’s Life Cycle methods?
A) init( ) method - Can be called when an applet is first loaded.B) start( ) method - Can be called each time an applet is started.C) paint( ) method - Can be called when the applet is minimized or refreshed.D) destroy( ) method - Can be called when the browser moves off the applet’s page.Explanation: it is the explanation for stop(), while destroy( ) method - Can be called when the browser is finished...
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All Applets must import java.applet and java.awt.
A) TrueB) False
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What does the following code draw?g.setColor(Color.black);g.drawLine(10, 10, 10, 50);g.setColor(Color.RED);g.drawRect(100, 100, 150, 150);
A) A red vertical line that is 40 pixels long and a red square with sides of 150 pixelsB) A black vertical line that is 40 pixels long and a red square with sides of 150 pixelsC) A black vertical line that is 50 pixels long and a red square with sides of 150 pixelsD) A red vertical line that is 50 pixels long and a red square with sides of 150 pixelsE) A black vertical line that is 40 pixels long and...
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Does any one have generic java code to handle any type of database application? Instead of having sqls, validation, error handling, transaction log, and other coding for every screen, why cant we have generic java clsses and just desing new screens and pass the field values....
rabbi
- Jul 1st, 2006
Actually I don' t understand ur question properly... Anyway, primary reason that generic types and methods (often referred to, simply, as generics) were added to the Java language ? to add compile...
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Lightweight components differ from heavy weight componants not because of one of the following reasons
A) A heavyweight component have transparent pixels which lightweight have opaque.B) A lightweight can appear to be non-rectangular while heavyweight are always rectangular.C) Mouse events on light weight componants fall through its parents while in the heavyweight it doesn’t.D) On overlapping of the lightweight component over the heavy weight component the heavy weight component is always on top.Explanation:...
Java Swing Interview Qustions
Ans