The answer of Multiple Choice Quiz 6.doc

Multiple Choice Quiz 6 1分数: 1/1 If a file opened for reading does not exist, which of the following events will occur in Java? 选择一个答案 a. A new file will be created. b. A run-time error will occur. c. A NullPointerException will be raised. d. A FileNotFoundException will be raised. Question2分数: 1/1 Which of the following is true regarding the controller part in the Model-View-Controller MVC paradigm? 选择一个答案 a. The controller is the list of abstract classes in an application. b. The controller is the abstract domain knowledge of an application. c. The controller is the automatic mechanism by which the user interface is displayed and by which events are communicated between the model and the view. d. The controller is the way in which the abstract domain knowledge of an application is presented to the user. Question3分数: 1/1 In Java, the default layout manager for a JFrame component is 选择一个答案 a. BorderLayout b. GridLayout c. GridBagLayout d. FlowLayout Question4分数: 1/1 Which of the following is are true regarding containers and components in the context of java GUI? I. A container can be added to a component. II. A component can be added to a container. III. A container can be added to another container. 选择一个答案 a. I and III only b. I, II, and III c. I and II only d. II and III only Question5分数: 1/1 The model part of the Model-View-Controller MVC paradigm embodies the 选择一个答案 a. list of abstract classes in an application b. abstract domain knowledge of an application c. automatic mechanism by which the user interface is displayed and by which events are communicated between the view and the controller d. way in which the abstract domain knowledge of an application is presented to the user Question6分数: 1/1 What is the signature of the method specified in the Java ActionListener interface? 选择一个答案 a. void actionListener ActionEvent ae b. void actionEvent ActionPerformed ap c. void actionPerformed ActionListener al d. void actionPerformed Actio