Unit Test 1 AJP PDF
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This document contains a set of questions about AWT (Abstract Window Toolkit) programming concepts. The questions cover topics such as controls, events, layout managers, and methods related to AWT components. It's likely part of a computer science course at a university level.
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Q No Question Option A Option B Option C Option D 1 A _____ is a passive AWT control that do not generate any event? Button RadioButton Choice...
Q No Question Option A Option B Option C Option D 1 A _____ is a passive AWT control that do not generate any event? Button RadioButton Choice Label 2 ActionEvent Class is used for Which Controll ? List,Button, Checkbox Label, Button, List Menu, Label, ScollBar None of these Arranges the components as a deck of cards such that only one 3 BorderLayout CardLayout GridLayout FlowLayout component is visible at a time 4 AWT components are..... Platform dependent Platform Independent Both A & B None of Above 5 Change in the state of an object is known as __________ EventSource Event EventHandler Listner 6 Event Listeners are__________________________________ Class Interface Object None of these To create a slider that allows To display a drop-down To create a panel with a 7 In AWT, what is the purpose of the Scrollbar component? the user to select a value To display a progress bar list of items border from a range In AWT, which class is used to create a window with a title bar, 8 Panel Window Frame Container borders, and buttons? In AWT, which layout manager automatically resizes components 9 FlowLayout BorderLayout GridLayout GridBagLayout to fill available space? Modelling Visual Model View Model Viewable Many View 10 MVC architecture is _________ Controller Controller Controller Controller The following way is used to create a frame is by creating the 11 inheritance association Both A & B None of the above object of Frame class? The action command The label text of a The name of an AWT The text entered in a 12 The getActionCommand() method is used to retrieve: associated with a component component TextField component The getSelectedIndex() method is commonly used with which 13 RadioButton CheckBox List ComboBox AWT component? Enable event handling for a Disable event handling Make a component 14 The setEnabled() method is used to: Make a component visible component for a component invisible Set the position of a Set the layout manager Set the background color Set the size of a 15 The setLayout() method is used to: component for a container of a component component Set the position of a Set the size of a Set the layout manager for 16 The setSize() method is used to: Set the title of a frame component component a container Set the text of a Label Set the layout of a GUI Set the background color 17 The setText() method is commonly used to: Set the title of a Frame component component of a component Make a component 18 The setVisible(true) method is used to: Make a component invisible Enable event handling Disable event handling visible tells what should tell which region to put the tells the color of the tells what text will appear 19 The String parameter to Button constructor ______________. happen when Button is Button in. Button. on Button. pressed. What does the following line of code do? TextField tf = new will set 10 to TextField as its will set the character 20 Both A & B None of These TextField(10); initial text. capacity to 10 21 What is the default layout manager for a Frame in AWT? FlowLayout BorderLayout GridLayout GridBagLayout Create a grid of Allow precise control Divide the container into five Arrange components in a 22 What is the purpose of the FlowLayout layout manager? components with fixed over component areas single row rows and columns placement Create a grid of Allow precise control Arrange components in a Divide the container 23 What is the purpose of the GridLayout layout manager? components with fixed over component single row into five areas rows and columns placement Which AWT component is used to create a checkbox that can be 24 CheckButton Checkbox Option ToggleButton selected or deselected? Which AWT component is used to create a group of mutually 25 OptionGroup RadioGroup RadioButtonGroup CheckboxGroup exclusive radio buttons? 26 Which AWT component is used to create a push button? Button ClickButton PushButton PressButton Which AWT component is used to create a text control that can 27 TextArea TextField TextPane MultiLineText display multiple lines of text? Which AWT component is used to display a drop-down list of 28 SelectList Choice ComboBox Dropdown items? Which AWT component is used to display a list of items from 29 List SelectList Choice ComboBox which the user can select one or more? GridLayout(int GridLayout(int rows, int 30 Which is the correct constructor of GridLayout. GridLayout(int a) num_rows, int GridLayout(int hor) cols, int vert) num_columns) Which layout manager places components in one of five regions: 31 AbsoluteLayout GridLayout BorderLayout FlowLayout north, south, east, west, and center? 32 Which method can set or change the text in a Label? setText() getText() All the above None of the above Which method is used to add a component to a container in 33 add() attach() insert() place() AWT? 34 Which method is used to add an ActionListener to a button? addActionListener() addClickListener() addEventHandler() attachActionListener() 35 Which method is used to set password character for a TextField? setPasswordCharacter( ) setEchoChar( ) setPassChar( ) setEchoCharacter( ) 36 Which method is used to set the title of a Frame in AWT? setTitle() setLabel() setText() setCaption() Which object can be constructed to show any number of choices 37 Labels Choice List Checkbox in the visible window? Which of the following creates a List with 5 visible items and 38 new List(5, true) new List(true, 5) new List(5, false) new List(false,5) multiple selection enabled?* 39 Which of these events is generated when a button is pressed? ActionEvent ItemEvent WindowEvent MouseEvent Which package provides many event classes and Listener 40 java.awt java.awt.Graphics java.awt.event None of the above interfaces for event handling?