ĐỀ THI LÝ THUYẾT JAVA XỬ LÝ PHÂN TÁN

ĐỀ THI LÝ THUYẾT JAVA XỬ LÝ PHÂN TÁN

Đề 1: 1. Which of the following objects of MVC architecture represents all the data and the various states of the component? Model View Controller All of the above. 2. Which of the following is not a type of Container? Top-level Bottom-level General-purpose None of the above. 3. The JToolBar has a method _________ which can be used to make the edges of the toolbar buttons invisible. JFileChooser setRollover() addSepartor() 4. The _________ method is used to set the current color of the color chooser. setColor() SETCOLOR() Setcolor() 5. The methods isSelectedIndex() and isSelectionEmpty() are members of the ________ class. JColor JList Jbox 6. The ______ method of JComboBox is used to retrieve the item at the specified index. insertItemAt() getItemAt() removeItemAt() 7. The getMaximumRowCount() method of __________ is used to retrieve the maximum number of items the combo box can display without a scrollbar. JList JColorChooser JComboBox 8. In JTable, headers and footers can be specified with an object of____________ class. setTable MessageFormat TextFormat 9. The _________ class has methods to parse and convert text to a date. SimpleDateFormat DateFormat DateTimeFormat 10. The ________ class cannot be instantiated as it is an abstract class. URL connection URL ServerSocket class 11. The _________ method is used to retrieve the setting of the connection timeout of the URL in milliseconds. getContentType() getConnectTimeout() setConnectTimeout() 12. A timeout value of zero of the setConnectTimeout() method indicates Infinite timeout Opening a communication link to the resource referenced An exception raised 13. Instances of the ______ class can be used to read from and write to the resource referred by the URL. URL InetAddress Connection URLConnection 14. An instance of the Socket class represents the _________ side of the connection. server client application I/O 15. A ServerSocket instance binds itself to a __________ and then waits and listens for client requests to establish connections. port socket IP address URLConnection 16. The remote object in an RMI application must extend from the _______________ class. UnicastRemoteObject Remote RemoteException UnicastServerObject 17. _________ application can be used to start the naming service on the server. registry.exe namingregistry.exe rmiregistry.exe registryservice.exe 18. The server application has to bind the remote object with a _____________ in the registry. reference name remote reference entry 19. A javax.mail.Session object can be created by invoking the static ________ method. getInstance() getProperties() getSession() initiateSession() 20. To retrieve a message from the mail server, one has to access the _________ first. Session Address MIMEMessage Store 21. __________ is the class used to contain email message. Store Inbox Folder Message 22. An instance of the ServerSocket class is used to represent the ________ side of the two-way communication. server client application I/O 23. A JFrame and a JApplet have a _______ layout by default. Border Card Flow Grid 24. Swing is a framework based on the Model-View-Controller (MVC) architecture in comparison to AWT, which was just a toolkit. True False 25. Which of the following describes Heavyweight components? Platform dependent Abstract Window Toolkit GUI based application Platform independent Đề 2: 1.Successful translation of the source files in the desired language is very difficult. A.True. * B.False. 2.A locale is an identifier for a particular combination of language and redion. A.True. * B.False. 3.The numberFormat class is used to create locale-specific formats for which of the following? a.Numbers. b.Currencies. c.Percentages. d.Date A.a,b,c. * B.b,c,d. C.a,b,d. D.a,b,c,d. 4.Which of the following layers in TCP deals with opening and mainaining connections as well as ensures the packets are transmitted and received. A.I B.II * C.III D.IV 5.Which of the following is not of RMI architecture? A.Stub and Skeleton. B.Remote Reference. C.Transport Protocol. D.None of the above. * 6._____ is a top-level constainer. A.JDialog. * B.JPanel. C.JLayeredPane. D.JDesktopPane. 7._____ constructor creates a horizotal slider bar with the range 0 to 100 and an initial value of 50. A.JSlider(int orientation) B.JSlider(int value) C.JSlider() * D.JSlider(int min, int max, int value) 8.Which of the following are the advantages of using FlowLayout Manager? a.Simple to use. b.Component placed in the center of the contain by default. c.Suitable for JApplet which runs as part of a Web Page. d.Complex alignment can be easily achieved. A.a,b,c. * B.b,c,d. C.a,c,d. D.a,b,c,d. 10.A JPopupMenu is more convenient than the standard menus because it involves more mouse mevements. A.True B.False. * 11.The addSeparator() method adds a separator at the _____ of the pop-up menu. A.Beginning. B.End. C.Center. * D.Anywhere 12.The JFileChooser has which of the following methods? a.showDialog() b.showSaveDilog() c.showOpenDilog() d.ShowNewDialog() A.a,b,c. * B.b,c,d. C.a,c,d. D.a,b,c,d. 13.Which of the following methods of the JFileChooser returns an instance of the File representing the file selected from the dialog box ? A.getSelectedFile() * B.getCurrenDirectory() C.getFile() D.All of the above. 14.Which of the following constructors of the JToolBar constructs a toolbar with the default horizotal orientation ? A.JToolBar() * B.JToolBar(int orientation) C.JToolBar(String title) D.None of the above. 15.JList is a class used to dislay a group of items. The items in a JList can be displayed in one or more columns. A.True. B.False. * 16.Which of the following selectModes of List class allows selecting a contigous item? A.SINGLE_SELECTION B.MULTIPLE_INTERVAL_SELECTION C.SINGLE_INTERVAL_SELECTION D.All of the above 17.Which of the following are the important methods of a JComboBox ? a.setEdittable() b.setSelectedIndex() c.setSelectedItem() A.a,b B.b,c C.a,c D.a,b,c * 18.A JTable has which of the following distinct parts? a.Column Header. b.Row Header. 3.Data A.a,b B.b,c C.a,c * D.a,b,c 19.The divider in JSplitPane can be dragged to specify how much of the total area is to be given to a component. A.True. * B.False 20.An internationalized and localized program has which of the following benefits? a.Same executable application can run worldwide. b.Textual elements for GUI components are not hard-coded in the program. c.Support for new language requires only recompilation. d.Internationalized programs are localized quickly. A.a,b,c B.b,c,d C.a,b,d D.a,b,c,d * Đề 3: 1.Successful translation of the source files in the desired language is very difficult. Việc dịch thành công của các nguồn tập tin trong các ngôn ngữ là rất khó khăn. A.True. * B.False. 2.A locale is an identifier for a particular combination of language and redion. Locale là một định danh cho một sự kết hợp đặc biệt của ngôn ngữ và redion. A.True. * B.False. 3.The numberFormat class is used to create locale-specific formats for which of the following? Lớp NumberFormat được sử dụng để tạo ra các định dạng miền địa phương cụ thể nào? a.Numbers Con số. b.Currencies Tiền tệ. c.Percentages Tỷ lệ phần trăm. d.Date ngày A.a,b,c. * B.b,c,d. C.a,b,d. D.a,b,c,d. 4.Which of the following layers in TCP deals with opening and mainaining connections as well as ensures the packets are transmitted and received. Các lớp nào sau đây trong giao dịch TCP mở và kết nối mainaining(???) tương tự như việc đảm bảo các gói dữ liệu được truyền và nhận. A.I B.II * C.III D.IV 5.Which of the following is not of RMI architecture? Điều nào sau đây là không phải của cấu trúc RMI? A.Stub and Skeleton. B.Remote Reference. C.Transport Protocol. D.None of the above. * 6._____ is a top-level constainer. __________là một container cấp cao nhất.??? A.JDialog. * B.JPanel. C.JLayeredPane. D.JDesktopPane. 7._____ constructor creates a horizotal slider bar with the range 0 to 100 and an initial value of 50. Constructor______ để tạo ra một thanh trượt ngang với phạm vi 0 đến 100 và giá trị ban đầu là 50. A.JSlider(int orientation) định hướng B.JSlider(int value) Giá trị C.JSlider() * D.JSlider(int min, int max, int value) nhở nhất,lớn nhất,giá trị 8.Which of the following are the advantages of using FlowLayout Manager? Câu nào sau đây là những lợi thế của việc sử dụng flowLayout Manager? a.Simple to use Dễ sử dụng b.Component placed in the center of the contain by default Thành phần trong nó được đặt mặc định ở trung tâm. c.Suitable for JApplet which runs as part of a Web Page Phù hợp cho trình JApplet mà chạy như một phần của một trang web. d.Complex alignment can be easily achieved Dễ dàng liên kết các thành phần phức tạp. A.a,b,c. * B.b,c,d. C.a,c,d. D.a,b,c,d. 10.A JPopupMenu is more convenient than the standard menus because it involves more mouse mevements. JPopupMenu là thuận tiện hơn so với các trình tiêu chuẩn đơn bởi vì nó liên quan đến việc di chuyển chuột nhiều hơn. A.True B.False. * 11.The addSeparator() method adds a separator at the _____ of the pop-up menu. AddSeparator () là hàm bổ sung thêm một khoảng cách _____ của menu pop-up. A.Beginning bắt đầu B.End kết thúc C.Center. * Trung tâm D.Anywhere bất kì chỗ nào 12.The JFileChooser has which of the following methods? JFilechooser có các hàm nào sau đây? a.showDialog() b.showSaveDilog() c.showOpenDilog() d.ShowNewDialog() A.a,b,c. * B.b,c,d. C.a,c,d. D.a,b,c,d. 13.Which of the following methods of the JFileChooser returns an instance of the File representing the file selected from the dialog box ? Các hàm nào sau đây của JFileChooser trả về một trường hợp của các tập tin đại diện cho các tập tin được chọn từ hộp thoại? A.getSelectedFile() * B.getCurrenDirectory() C.getFile() D.All of the above. [...]... d.Internationalized programs are localized quickly. Chương trình quốc tế được bản địa hoá một cách nhanh chóng A.a,b,c B.b,c,d C.a,b,d D.a,b,c,d * Đề thi portal Aprotrain – aptech (DCJ) http://hsvforum.vn/threads/7156-dap-an-de -thi- portal-aprotrain-aptech-mon-dcj Đề thi lý thuyết DCJ: 1 Which of the following statements about the reply() method of the message class is true ? 1.The reply() method returns a message... 1 javax.swing 2 java. awt 1 java. awt.colorchooser 2 javax.swing.colorchooser 33 Whenever you select an item from the combobox the _ method of ItemListener is invoked 1 ItemSelected() 2 isSelected() 1 ItemAdded() 2 4 itemStateChanged() 34 …… provides a unique number for every character irrespective of platform,program or language A ByteCode B ASCII Encoding C Unicode D protected nested class 35 java. util.locale... from input devices such as the keyboard or mouse 4 A Model is bound to a specific View or Controller 1 1 2 2 3 3 4 D 4 4 Swing provides the .class to create filters 1 javax.swing.FileFilter 2 javax.swing.filechooser.Filter 3 C javax.swing.filechooser.FileFilter 5 A …………… is dockable only if the container it belongs to has a BorderLayout manager 1 A JToolBar 1 JMenuBar 2 JCheckBoxMenuItem 3 JMenu... language) 1 1,5 2 2,3,4 1 C 3,4 1 2,5 36 Which of the following protocols is not used for sending and receiving email ? 1 2 3 4 IMAP MIME SMTP POP 1 1 1 B 2 1 3 2 4 37 is a Java program which runs as part of a web pages 1 Swing 1 B Applet 1 Java Virtual Machine 2 Remote Method Invocation 38 The class is used to convert sentences from one locale to another without introducing grammatical errors 1 MessageFormat... features are true regarding lightweight components ? 1 They are platform independent d 2 They do not consume extra overheads in terms of memory and execution time d 3 They render themselves with pure Java code 4 They depend on external native language code like C/C++ which forms the peer equivalent 1 1,2,3,4 2 2 and 4 3 C 1,2 and 3 1 1,3 and 4 12 Which of the following methods are supported by JPopupMenuclass... 2,3,4 2 1,3,4 2 Identify the correct answer : Statement 1 : The parse() method of the InternetAddress class is used to check if the specified addresses are valid Statement 2 : The static methods of the javax.mail Transport class throw a SendFailedException of any of the Recepient's address is found to be invalid 1 Only Statement 1 is true 2 B Only Statement 2 is true 1 Both Statement 1 and 2 are true... internationalized and localized program has which of the following benefits? Một chương trình quốc tế và địa phương có những lợi ích nào sau đây? a.Same executable application can run worldwide. Thực thi cùng một ứng dụng có thể chạy trên toàn thế giới b.Textual elements for GUI components are not hard-coded in the program. Các yếu tố văn bản cho các thành phần giao diện đồ họa không mã hóa cứng trong . chóng. A.a,b,c B.b,c,d C.a,b,d D.a,b,c,d * Đề thi portal Aprotrain – aptech (DCJ) hp://hsvforum.vn/threads/7156-dap-an-de -thi- portal-aprotrain-aptech-mon-dcj Đề thi lý thuyết DCJ: 1 Swing provides the class to create filters . 1. javax.swing.FileFilter 2. javax.swing.filechooser.Filter 3. C. javax.swing.filechooser.FileFilter 5. A ……………