311020040面向对象程序设计导论_双语_B闭_.pdfVIP

311020040 面向对象程序设计导论 （双语）（B 闭） 2012-2013-1 一、单项选择题 （本大题共40 小题，每小题 1 分，共40 分） 提示：在每小题列出的四个备选项中只有一个是符合题目要求的，请将其代码填写在下表中。错选、多选或 未选均无分。 1.What is the right way to handle abnormalities in input on Java? a. By writing while loops to guard against bad input b. By always specifying the throws clause in every method header where file I/O is performed c. By using the class FileFilter which gracefully filters out bad input data d. By handling these problems by providing exception handlers 2. What will be output caused by the execution of the following Java program segment? String name = Elvis; System.out.print(name + was here); a. name was here b. Elvis was here c. Elviswas here d. name + was here 3. The name of a Java source file a. has no restrictions b. must be the same as the class it defines, respecting case c. must use the extension .class d. must be the same as the class it defines, ignoring case 4. Classes from which of the following packages are implicitly imported into every Java program? a. java.lang b. java.util c. java.io d. java.awt 5.Which of the following is true regarding Java applications? a.They are run using a Java interpreter. b.They are compiled into machine code. c. They are interpreted by a Web browser. d. They are platform-dependent. 6. What is the name of the JDK program that processes Javadoc comments? a. javadoc b. java c. javacom d. javac 7. Which of the following statements is true of the conventions outlined by Sun Microsystems in the document entitled Code Conventions for the Java Programming Language? 1. They define a standard interface definition language that must be used for all Java classes. 2. They provide recomme