Deck 6: AWT Components and Layout Management in Java

Question 1

How do you position a component using FlowLayout?

A)North, South, East, West
B)Assign a row/column grid reference
C)Pass a X/Y percentage parameter to the add method
D)Do nothing, the FlowLayout will position the component

Answer 1

Do nothing, the FlowLayout will position the component

Question 2

How do you change the current layout manager for a container

A)Use the setLayout() method
B)Once created you cannot change the current layout manager of a component
C)Use the setLayoutManager() method
D)Use the updateLayout() method

Answer 2

Use the setLayout() method

Question 3

The AWT component used to display a single line of read-only text

A)A checkbox
B)A Label
C)A button
D)A TextField

Answer 3

A Label

Question 4

The method to get the text of a Label

A)getLabel()
B)getText()
C)getString()
D)getData()

Question 5

The AWT component used for taking input from user.

A)A TextBox
B)A Label
C)A button
D)A TextField

Question 6

The method to set the text of Textfield.

A)setLabel()
B)setString()
C)setText()
D)setData()

Question 7

The class used to create a Radio button in awt is

A)Checkbox
B)RadioButton
C)OptionButton
D)CheckboxGroup

Question 8

A ------------ is an object that the user can see on the screen and-in most cases-interact with.

A)an Event
B)a window
C)a Component
D)a Listener

Question 9

A ------------- is a component that can hold other components.

A)A window
B)a container
C)A control
D)a form

Question 10

The method that returns the selected item from a List component is

A)getSelected()
B)getSelectedString()
C)getSelectedItem()
D)getSelectedData()

Question 11

The class used to make a standalone application in java.

A)Applet
B)Panel
C)Frame
D)Form

Question 12

------------------- is an example of container class

A)Label
B)Panel
C)TextField
D)Button

Question 13

The class used to encapsulate fonts is

A)Graphics
B)Font
C)Applet
D)Component

Question 14

The method used to set Fonts is

A)setFontName()
B)setFont()
C)setFontText()
D)none of these

Question 15

The method setFont() is defined in---------- class

A)Applet
B)Font
C)Container
D)Component

Question 16

The layout manager that lets you align components at north, south, east, west directions is

A)BorderLayout
B)GridLayout
C)FlowLayout
D)GridBagLayout

Question 17

The layout manager that lays out a container's components in a rectangular grid.

A)BorderLayout
B)GridLayout
C)FlowLayout
D)GridBagLayout

Question 18

The class used for drawing graphics in an application is

A)Canvas
B)Graphics
C)Layer
D)Container

Question 19

The method in Graphics class to draw a circle/oval with specified width and height.

A)drawCircle()
B)drawShape()
C)drawOval()
D)none of these

Question 20

The method in Graphics class to set the drawing color

A)setForeground()
B)setDrawingColor()
C)setBrushColor()
D)setColor()

Question 21

The method used to draw an ellipse is

A)drawEllipse()
B)drawCircle()
C)drawOval()
D)none of these

Question 22

Which of the following statements is legal in Java?
(i) mysRef = (Mystery) mySecret;
(ii) mysRef = (Mystery) secRef;

A)Only (i)
B)Only (ii)
C)Both (i) and (ii)
D)None of these

Question 23

What is the value of y if x = 2?

A)2
B)3
C)7
D)9