1
Give the abbreviation of AWT?
Correct Answer
Abstract Windowing Toolkit
☑ MCQ PRACTICE
Object Oriented Programming through Java Unit 4
Practice objective questions for quick revision and examination preparation. Try answering each question before revealing the answer.
Object Oriented Programming through Java - Unit-4
2
Which is the container that contain title bar and can have MenuBars. It can have other components like button, textfield etc.?
Correct Answer
Frame
3
Which is a component in AWT that can contain another components like buttons, textfields, labels etc.?
Correct Answer
Container
4
Which class provides many methods for graphics programming?
Correct Answer
java.awt.Graphics
5
_________ concept is used to create a Frame
Correct Answer
inheritance
6
The Following steps are required to perform 1) Implement the Listener interface and overrides its methods. 2) Register the component with the Listener.
Correct Answer
Event Handling
7
In which places can put the event handling code
Correct Answer
All mentioned above
8
Which package provides many event classes and Listener interfaces for event handling?
Correct Answer
java.awt.event
9
To use the ActionListener interface it must be implemented by a class there are several ways to do that find in the following?
Correct Answer
All mentioned above
10
The __________________ interface is not used for handling action events?
Correct Answer
ActionListener
11
Which is the container that doesn't contain title bar and MenuBars but it can have other components like button, textfield etc?
Correct Answer
Panel
12
Which method is used to set the graphics current color to the specified color in the graphics class?
Correct Answer
public abstract void setColor(Color c)
13
The ActionListener interface is used for handling action events,For example,it's used by a
Correct Answer
All of these
14
In Graphics class which method is used to draws a rectangle with the specified width and height?
Correct Answer
public void drawRect(int x, int y, int width, int height)
15
Which object can be constructed to show any number of choices in the visible window?
Correct Answer
List
16
Which method can set or change the text in a Label?
Correct Answer
setText()
17
Which is a component in AWT that can contain another components like buttons, textfields, labels etc.?
Correct Answer
Container
18
Which are passive controls that do not support any interaction with the user?
Correct Answer
Labels
19
Which package provides many event classes and Listener interfaces for event handling?
Correct Answer
java.awt.event
20
Where can the event handling code be written?
Correct Answer
All mentioned above
21
Which is the container that doesn't contain title bar and MenuBars but it can have other components like button, textfield etc?
Correct Answer
Panel
22
The concept of the menu bar can be implemented by using three java classes—
Correct Answer
All of these
23
In Java an event is an _______which specifies the change of state in the source.
Correct Answer
Object
24
The classes and interfaces defined in AWT are contained within the ______ package.
Correct Answer
java.awt.*
25
The general form to set a specific type of layout manager is _________
Correct Answer
void setLayout(LayoutManager lm)
26
A checkbox is a control that consists of a _____________
Correct Answer
Both A & B
27
An event is generated when the internal state of the event source is________
Correct Answer
Changed
28
Positions the components into five regions:east, west, north, south, center
Correct Answer
BorderLayout
29
Arranges the components as a deck of cards such that only one component is visible at a time
Correct Answer
CardLayout
30
Arranges the components horizontally
Correct Answer
FlowLayout
31
Arranges the componemnts into grid
Correct Answer
GridLayout
32
__________ creates a dropdown list of textual entries
Correct Answer
Choice
33
How many types of events are there?
Correct Answer
2
34
To manage events, Java employs the ____?
Correct Answer
Delegation Event Model
35
____ are classes that act as a connection point between event listeners and event sources?
Correct Answer
Event adapters