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单选题
Given the fully-qualified class names： com.foo.bar.Dog com.foo.bar.blatz.Book com.bar.Car com.bar.blatz.Sun Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JYM？（）
A
Jar A
B
Jar B
C
Jar C
D
Jar D
E
Jar E
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单选题You work as an application developer at CER-Tech.com. Cert-Tech.com uses Visual studio.NET 2005 as its Application Development platform.You are developing a .NET Framework 2.0 application used to store a type-safe list of names and e-mail addresses. The list will be populated all at ones from the sorted data which means you will not always need to perform insertion or deletion operations on the data. You are required to choose a data structure that optimizes memory use and has good performance.What should you do？（）A
The System.Collections.Generic.SortedList class should be used B
The System.Collections.HashTable class should be usedC
The System.Collections.Generic.SortedDictionary class should be used D
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考题
单选题Given the fully-qualified class names： com.foo.bar.Dog com.foo.bar.blatz.Book com.bar.Car com.bar.blatz.Sun Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JYM？（）A
Jar AB
Jar BC
Jar CD
Jar DE
Jar E
考题
单选题You work as an application developer at Certkiller .com. You are developing a collection class named ClientCollection， which is to be used for storing the names of Certkiller .com’s clients that are situated in various geographical areas. These client names are represented by the Client class. You are planning to create a method named SortClients in the ClientCollection class to arrange Client objects in ascending order. You need to ensure that the appropriate interface is implemented by the Client class to allow sorting.What interface should be used？（）A
IDictionaryB
IComparableC
IComparerD
IEqualityComparer
考题
单选题Given the following six method names：（1）addListener（2）addMouseListener （3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHow many of these method names follow JavaBean Listener naming rules？（）A
1B
2C
3D
4E
5
考题
单选题You work as an application developer at Certkiller .com. Certkiller .com has asked you to develop an application that monitors and controls the activities of a Windows service.You need to use the appropriate class to meet Certkiller .com’s requirements. What should you do？（）A
Use the ServiceBase class.B
Use the ServiceInstaller class.C
Use the ServiceManager class.D
Use the ServiceController class.
考题
单选题Given a correctly compiled class whose source code is： package com.sun.sjcp； public class Commander { public static void main（String[] args） { // more code here } } Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains “.“ （current directory）. Which command line correctly runs Commander？（）A
java CommanderB
java com. sim. sjcp.CommanderC
java com/sun/sjcp/CommanderD
java -cp com.sun.sjcp CommanderE
java -cp com/sun/sjcp Commander
考题
单选题Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）A
1B
2C
3D
4
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