ch1.pdf

Chapter 01 Introduction to AWT Question Bank : Advanced Java Programming (22517) Class : TYCM Chapter No. 01 Introduction to AWT Answer the following questions: (Note: Only one answer is correct). 1. A...

Chapter 01 Introduction to AWT Question Bank : Advanced Java Programming (22517) Class : TYCM Chapter No. 01 Introduction to AWT Answer the following questions: (Note: Only one answer is correct). 1. AWT Means? a) Abstract Windows Toolkit b) Advanced Web Toolkit c) Abstract Web Toolkit d) Advanced Web Technology 2. Which is the immediate super class of Applet? a) Container b) Component c) Frame d) Panel 3. The setSize( ) method is defined by this class… a) Applet b) Component c) Frame d) Panel 4. Which class encapsulates a blank window upon which we can draw? a) Applet b) Canvas c) Window d) Frame 5. What are the variables defined in ‘Dimension’ class? a) length and width b) height and length c) height and width d) len and wid 6. If we want to hide the window, we can use this method… a) setVisible( ) b) show( ) c) setHidden( ) d) view( )  Chapter 01 Introduction to AWT 7. Color class can create object of it using which of the following color values? a) RGB b) RYB c) CMY d) HSB 8. The setColor( ) is the method of which class? a) Applet b) Graphics c) Color d) Object 9. Which of the following style is not supported by Font class? a) Font.UNDERLINE b) Font.ITALIC c) Font.PLAIN d) Font.BOLD 10. All the AWT controls are subclasses of which class? a) Component b) Container c) AWTControl d) Window 11. How you can remove all the controls from the applet? a) Using remove( ) method. b) Using removeAll( ) method. c) Using removeAllControls( ) method. d) It is not possible to remove all controls using single method. 12. Which of the following is passive AWT control? a) Label b) Button c) Checkbox d) TextField 13. Which alignment is not supported by Label? a) Label.RIGHT b) Label.LEFT c) Label.CENTER d) Label.BASELINE 14. How can we create Radio buttons? a) Using ButtonGroup class  Chapter 01 Introduction to AWT b) Using CheckboxGroup class c) Using RadioButton class d) Using Button class 15. How to add the names in choice controls? a) At the time of creation itself. b) Using addName( ) method. c) Using addItem( ) method. d) Using add( ) method. 16. Multiple selections are allowed in… a) Menu b) CheckboxGroup c) List d) Choice 17. How can we copy the ‘List’s contents into ‘Choice’s contents a) This is not possible. b) Using copyInto( ) method of List c) Directly assigning List object to Choice object. d) Using copyFrom( ) method. 18. What is default block-increment of Scrollbar? a) 10 b) 5 c) 1 d) We can not use block increment in scrollbars. 19. The immediate super class of TextArea is… a) TextField b) TextBox c) TextComponent d) Component 20. Is it possible to change display character of TextField? How? a) Not possible. b) Yes, by using setChar( ) method. c) Yes, by using setEchoChar( ) method. d) Yes, by using setDisplayChar( ) method. 21. Is it possible to center the text typed in TextField? How? a) Not possible. b) Yes, by using setAlignment( ) method. c) Yes, by using setPosition( ) method. d) Yes, by putting values in the constructor itself.  Chapter 01 Introduction to AWT 22. Which method is used to append the text at the end of TextArea? a) append( ) b) add( ) c) appendAt( ) d) addAt( ) 23. FlowLayout does not support this value of alignment… a) FlowLayout.LEFT b) FlowLayout.CENTER c) FlowLayout.RIGHT d) FlowLayout.BASELINE 24. The setLayout( ) is the method of which class? a) Applet b) Layout c) FlowLayout d) Graphics 25. BorderLayout does not support this value of alignment… a) BorderLayout.WEST b) BorderLayout.EAST c) BorderLayout.NORTH d) BorderLayout.MIDDLE 26. The correct constructor of Insets( ) which uses the values is… a) Insets(int top, int left, int bottom, int right) b) Insets(int bottom, int right, int top, int left) c) Insets(int right, int top, int left, int bottom) d) Insets(Dimesnion d1, Dimension d2) 27. The various controls supported by AWT are a. Labels, push buttonss b. Checkboxes, choice, list c. Scroll bars, text area, text field d. All of these 28. The concept of the menu bar canbe implemented by using three java classes— a. MenuBar b. Menu c. MenuItem d. All of these 29. The most commonly used layout managers are a. FlowLayout  Chapter 01 Introduction to AWT b. BorderLayout c. GridLayout d. CardLayout e. All of these 30. The constructor which the Text Event class defines. a. TextEvent(Object source, int event_type) b. textevent (Object source, int event_type) c. textevent (object Source, float event_type) d. textevent (Object source, string event_type) 31. In Java an event is an _______which specifies the change of state in the source. a. Class b. Object c. Int d. String 32. The name of the event classes are a. ActionEvent, ComponentEvent b. ContainerEvent, FocusEvent c. ItemEvent, KeyEvent d. WindowListener, MouseEvent e. TextEvent f. All of these 33. The classes and interfaces defined in AWT are contained within the ______ package. a. java.awt.* b. java.sql.* c. java.io.* d. java.int* 34. Java packages such as ________________ support the Event handling mechanism. a. java.util b. java.awt c. java.awt.event d. All of these 35. The general form to set a specific type of layout manager is a. void setLayout(LayoutManager lm) b. Void setLayout(LayoutManager lm) c. void setLayout(layoutManager lm) d. Void setLayout(Layoutmanager lm) 36. Some of the event listener interfaces are_____________ a. ActionListener, ComponentListener b. ContainerListener, FocusListener c. ItemListener, KeyListener  Chapter 01 Introduction to AWT d. WindowListener, MouseListener e. TextListener f. All of these 37. The AWT container is an instance of the ___________ class which holds various components and other containers a. Graphics b. Container c. Eventobj d. None of these 38. A checkbox is a control that consists of a a. Combination of a small box b. A label c. Combination of a large box and a label d. Both a & b 39. Java applets are used to create _______________ applications a. Graphical b. User interactive c. Both a & b d. None of these 40. In Java, events are all the activities that occur between a. The user b. The applications c. Both a & b d. None of these 41. AWT means a. Abstract Window Toolkit b. Abstract Window Toollayout c. Abstract Withdraw Tools d. Abstract Window Title 42. Positions the components into five regions:east, west, north, south, center a. BorderLayout b. CardLayout c. GridLayout d. FlowLayout 43. Arranges the components as a deck of cards such that only one component is visible at a time a. BorderLayout b. CardLayout c. GridLayout d. FlowLayout  Chapter 01 Introduction to AWT 44. Arranges the components horizontally a. BorderLayout b. CardLayout c. GridLayout d. FlowLayout 45. Arranges the componemnts into grid a. BorderLayout b. CardLayout c. GridLayout d. FlowLayout 46. __________ creates a dropdown list of textual entries a. Choice b. Checkbox c. Textbox d. TextComponent 47. The Component class and MenuComponent class are the ___________ which represent the GUI components. a. Subclasses b. Superclasses c. Both a & b d. None of these 48. The Component class is an abstract class and so its ____________ are used to create components. a. Subclasses b. Superclasses c. Both a & b d. None of these 49. The AWT classes can be roughly categorized into the following groups: a. GUI Components b. Layouts c. Graphics Tools d. Event Handlers e. All of these 50. Panel is used for __________ components a. Grouping b. Managing c. Deleting d. Modifying 51. An Applet is a ________ of Panel: a. Subclass  Chapter 01 Introduction to AWT b. Superclass c. Both a & b d. None of these 52. Window is used for ____________ windows a. Creating b. Handling c. Modifying d. Both a & b 53. The subclasses of Window are a. Dialog b. Frame c. Both a & b d. None of these 54. The CardLayout class defines the following constructors: a. CardLayout() // First Cardlayout(int hor, int ver) //second b. Cardlayout() // First CardLayout(int hour, int ver) //second c. CardLayout() // First Cardlayout(int hor, int var) d. CardLayout() // First Cardlayout(int hour, int ver) //second 55. A menu bar represents a. A list of menus which can be added to the top of a top-level window b. A list of menus which can be deleted to the top of a top-level window c. A list of menus which can be added to the bottom of a bottom-level window d. None of these 56. Each menu is associated with a _________ list of menu items: a. Checkbox b. Drop-down c. Choice d. None of these 57. The two types of menus which are given as follows: a. Pop-up menus b. Regular menus c. Both a & b d. None of these 58. Regular menus are placed at the __________ of the application window within a menu bar a. Top b. Bottom c. Top-down  Chapter 01 Introduction to AWT d. Botttom-up 59. The __________ interface is used to handle the menu events a. ContainerListener b. FocusListener c. ActionListener d. WindowListener 60. The text field and text area controls create a _________________ area respectively a. Single-line text b. Multi-line text c. Both a & b d. None of these