AJP ch1
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Questions and Answers

AWT Means?

  • Abstract Windows Toolkit (correct)
  • Advanced Web Toolkit
  • Abstract Web Toolkit
  • Advanced Web Technology

    • Which is the immediate super class of Applet?

  • Container
  • Component
  • Frame (correct)
  • Panel

    • The setSize( ) method is defined by this class…

  • Applet
  • Component (correct)
  • Frame
  • Panel

    • Which class encapsulates a blank window upon which we can draw?

    <p>Canvas</p> Signup and view all the answers

    What are the variables defined in ‘Dimension’ class?

    <p>height and width</p> Signup and view all the answers

    If we want to hide the window, we can use this method…

    <p>setVisible( )</p> Signup and view all the answers

    Color class can create object of it using which of the following color

    <p>RGB</p> Signup and view all the answers

    The setColor( ) is the method of which class?

    <p>Graphics</p> Signup and view all the answers

    Which of the following style is not supported by Font class?

    <p>Font.BOLD</p> Signup and view all the answers

    All the AWT controls are subclasses of which class?

    <p>Component</p> Signup and view all the answers

    How you can remove all the controls from the applet?

    <p>Using remove( ) method.</p> Signup and view all the answers

    Which of the following is passive AWT control?

    <p>Label</p> Signup and view all the answers

    Which alignment is not supported by Label?

    <p>Label.BASELINE</p> Signup and view all the answers

    How can we create Radio buttons?

    <p>Using CheckboxGroup class</p> Signup and view all the answers

    How to add the names in choice controls?

    <p>Using add( ) method</p> Signup and view all the answers

    Multiple selections are allowed in…

    <p>List</p> Signup and view all the answers

    How can we copy the ‘List’s contents into ‘Choice’s contents

    <p>This is not possible.</p> Signup and view all the answers

    What is default block-increment of Scrollbar?

    <p>10</p> Signup and view all the answers

    The immediate super class of TextArea is…

    <p>Text Component</p> Signup and view all the answers

    Is it possible to change display character of TextField? How?

    <p>Yes, by using setEchoChar( ) method</p> Signup and view all the answers

    Is it possible to center the text typed in TextField? How?

    <p>Yes, by putting values in the constructor itself</p> Signup and view all the answers

    Which method is used to append the text at the end of TextArea?

    <p>append( )</p> Signup and view all the answers

    FlowLayout does not support this value of alignment…

    <p>FlowLayout.BASELINE</p> Signup and view all the answers

    The setLayout( ) is the method of which class?

    <p>Applet</p> Signup and view all the answers

    BorderLayout does not support this value of alignment…

    <p>BorderLayout.MIDDLE</p> Signup and view all the answers

    The correct constructor of Insets( ) which uses the values is…

    <p>Insets(int top, int left, int bottom, int right)</p> Signup and view all the answers

    The various controls supported by AWT are

    <p>All of these</p> Signup and view all the answers

    The concept of the menu bar canbe implemented by using three java classes—

    <p>All of these</p> Signup and view all the answers

    The most commonly used layout managers are

    <p>All of these</p> Signup and view all the answers

    The constructor which the Text Event class defines.

    <p>TextEvent(Object source, int event_type)</p> Signup and view all the answers

    In Java an event is an which specifies the change of state in the source

    <p>Object</p> Signup and view all the answers

    The name of the event classes are

    <p>All of these</p> Signup and view all the answers

    The classes and interfaces defined in AWT are contained within the package.

    <p>java.awt.*</p> Signup and view all the answers

    Java packages such as ...... support the Event handling mechanism.

    <p>All of these</p> Signup and view all the answers

    The general form to set a specific type of layout manager is

    <p>void setLayout(LayoutManager lm)</p> Signup and view all the answers

    Some of the event listener interfaces are

    <p>All of these</p> Signup and view all the answers

    The AWT container is an instance of the class which holds various components and other containers

    <p>Container</p> Signup and view all the answers

    A checkbox is a control that consists of a

    <p>Both a &amp; b</p> Signup and view all the answers

    Java applets are used to create applications

    <p>Both a &amp; b</p> Signup and view all the answers

    In Java, events are all the activities that occur between

    <p>Both a &amp; b</p> Signup and view all the answers

    1. AWT means

    <p>Abstract Window Toolkit</p> Signup and view all the answers

    Positions the components into five regions:east, west, north, south, center

    <p>BorderLayout</p> Signup and view all the answers

    Arranges the components as a deck of cards such that only one component is visible at a time

    <p>CardLayout</p> Signup and view all the answers

    Arranges the components horizontally

    <p>FlowLayout</p> Signup and view all the answers

    Arranges the componemnts into grid

    <p>GridLayout</p> Signup and view all the answers

    creates a dropdown list of textual entries

    <p>Choice</p> Signup and view all the answers

    The Component class and MenuComponent class are the which represent the GUI components.

    <p>Superclasses</p> Signup and view all the answers

    The Component class is an abstract class and so its are used to create components

    <p>Subclasses</p> Signup and view all the answers

    The AWT classes can be roughly categorized into the following groups:

    <p>All of these</p> Signup and view all the answers

    Panel is used for components

    <p>Grouping</p> Signup and view all the answers

    An Applet is a of Panel:

    <p>Subclass</p> Signup and view all the answers

    Window is used for windows

    <p>Both a &amp; b</p> Signup and view all the answers

    The subclasses of Window are

    <p>Both a &amp; b</p> Signup and view all the answers

    The CardLayout class defines the following constructors:

    <p>CardLayout() // First Cardlayout(int hor, int ver) //second</p> Signup and view all the answers

    A menu bar represents

    <p>A list of menus which can be added to the top of a top-level window</p> Signup and view all the answers

    Each menu is associated with a list of menu items:

    <p>Drop-down</p> Signup and view all the answers

    The two types of menus which are given as follows:

    <p>Both a &amp; b</p> Signup and view all the answers

    Regular menus are placed at the of the application window within a menu bar

    <p>Top</p> Signup and view all the answers

    The interface is used to handle the menu events

    <p>ActionListener</p> Signup and view all the answers

    The text field and text area controls create a area respectively

    <p>Both a &amp; b</p> Signup and view all the answers

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