Q. Which object can be constructed to show any number of choices in the visible window?
– Published on 22 Jul 15
a. Labels
b. Choice
c. List
d. Checkbox
ANSWER: List Source
Which object can be constructed to show any number of choices in the visible window?
It can be noted that the Choice object shows only the single selected item in the menu, whereas, a List object can be constructed to show any number of choices in the visible window.
Basics of AWT and Swing – Java test
1) Give the abbreviation of AWT?
A) Applet Windowing Toolkit
B) Abstract Windowing Toolkit
C) Absolute Windowing Toolkit
D) None of the above
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ANSWER: B) Abstract Windowing Toolkit
2) Which is the container that contain title bar and can have MenuBars. It can have other components like button, textfield etc.?
A) Panel
B) Frame
C) Window
D) Container
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3) Which is a component in AWT that can contain another components like buttons, textfields, labels etc.?
A) Window
B) Container
C) Panel
D) Frame
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4) AWT is used for GUI programming in java?
A) True
B) False
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5) The following specifies the advantages of
It is lightweight.
It supports pluggable look and feel.
It follows MVC (Model View Controller) architecture.
A) Swing
B) AWT
C) Both A & B
D) None of the above
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6) Swing is not a part of JFC (Java Foundation Classes) that is used to create GUI application?
A) True
B) False
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7) Which class provides many methods for graphics programming?
A) java.awt
B) java.Graphics
C) java.awt.Graphics
D) None of the above
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ANSWER: C) java.awt.Graphics
8) These two ways are used to create a Frame
By creating the object of Frame class (association)
By extending Frame class (inheritance)
A) True
B) False
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9) The Following steps are required to perform
1) Implement the Listener interface and overrides its methods
2) Register the component with the Listener
A) Exception Handling
B) String Handling
C) Event Handling
D) None of the above
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ANSWER: C) Event Handling
10) In which places can put the event handling code
A) Same class
B) Other class
C) Annonymous class
D) All mentioned above
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ANSWER: D) All mentioned above
11) Which package provides many event classes and Listener interfaces for event handling?
A) java.awt
B) java.awt.Graphics
C) java.awt.event
D) None of the above
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ANSWER: C) java.awt.event
12) To use the ActionListener interface it must be implemented by a class there are several ways to do that find in the following?
A) Creating a new class
B) using the class the graphical component
C) an anonymous inner class
D) All mentioned above
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ANSWER: D) All mentioned above
13) The ActionListener interface is not used for handling action events?
A) True
B) False
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14) The ActionListener interface is used for handling action events,For example,it’s used by a
A) JButton
B) JCheckbox
D) JMenuItem
C) All of these
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15) Which is the container that doesn’t contain title bar and MenuBars. It can have other components like button, textfield etc?
A) Window
B) Frame
C) Panel
D) Container
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16) How many types of controls does AWT supports these controls are subclasses of component?
A) 7
B) 6
C) 5
D) 8
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17) Which are passive controls that do not support any interaction with the user?
A) Choice
B) List
C) Labels
D) Checkbox
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18) By which method You can set or change the text in a Label?
A) setText()
B) getText()
C) Both A & B
D) None of the above
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19) Which class is used to create a pop-up list of items from which the user may choose?
A) List
B) Choice
C) Labels
D) Checkbox
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20) Which object can be constructed to show any number of choices in the visible window?
A) Labels
B) Choice
C) List
D) Checkbox
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21) Which class is used for this Processing Method processActionEvent( )?
A) Button,List,MenuItem
B) Button,Checkbox,Choice
C) Scrollbar,Component,Button
D) None of the above
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ANSWER: A) Button,List,MenuItem
22) The Swing Component classes that are used in Encapsulates a mutually exclusive set of buttons?
A) AbstractButton
B) ButtonGroup
C) JButton
D) ImageIcon
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23) Which is used to store data and partial results, as well as to perform dynamic linking, return values for methods, and dispatch exceptions?
A) Window
B) Panel
C) Frame
D) Container
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24) The following way is used to create a frame is by creating the object of Frame class?
A) inheritance
B) association
C) Both A & B
D) None of the above
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25) AWT more powerful components like tables, lists, scroll panes, color chooser, tabbed pane etc.?
A) True
B) False
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26) In Graphics class Which method is used to set the graphics current color to the specified color?
A) public abstract void setFont(Font font)
B) public abstract void setColor(Color c)
C) public abstract void drawString(String str, int x, int y)
D) None of the above
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ANSWER: B) public abstract void setColor(Color c)
27) These four methods commonly used in?
1)public void add(Component c)
2)public void setSize(int width,int height)
3)public void setLayout(LayoutManager m)
4)public void setVisible(boolean)
A) Graphics class
B) Component class
C) Both A & B
D) None of the above
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ANSWER: B) Component class
28) In Graphics class which method is used to draws a rectangle with the specified width and height?
A) public void drawRect(int x, int y, int width, int height)
B) public abstract void fillRect(int x, int y, int width, int height)
C) public abstract void drawLine(int x1, int y1, int x2, int y2)
D) public abstract void drawOval(int x, int y, int width, int height)
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ANSWER: A) public void drawRect(int x, int y, int width, int height)
29) Implement the Listener interface and overrides its methods is required to perform in event handling?
A) True
B) False
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30) The Java Foundation Classes (JFC) is a set of GUI components which simplify the development of desktop applications?
A) True
B) False
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