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电梯直达

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发表于 2010-07-30 10:36 |只看该作者 |倒序浏览

Test-passport 310-055 题库 今天为大家送上的是310-055的题库，是test-passport.cn题库网的。希望看到的朋友多宣传宣传，可以让更多的朋友受益。不多说了，直接上题： 考试号：310-055 版本:V3.66考题数目:240 Q&As更新:2010-07-131.Which Man class properly represents the relationship "Man has a best friend who is a Dog"?A.class Man extends Dog { }B.class Man implements Dog { }C.class Man { private BestFriend dog; }D.class Man { private Dog bestFriend; }E.class Man { private Dog; }F.class Man { private BestFriend; }Answer<img src="http://bbs.chinaitlab.com/images/smilies/default/biggrin.gif" smilieid="3" border="0" alt="" />2.Given: 1. package test; 2. 3. class Target { 4. public String name = "hello"; 5. } What can directly accessand change the value of the variable name?A.any classB.only the Target classC.any class in the test packageD.any class that extends TargetAnswer:C3.Click the Task button.Answer:Green choice1---->Yellow Choice1Green choice2---->Yellow Choice2Green choice3---->Yellow Choice3Green choice2---->Yellow Choice5Green choice5---->Yellow Choice6Green choice1---->Yellow Choice44.Given: 1. class ClassA { 2. public int numberOfInstances; 3. protected ClassA(int numberOfInstances){ 4. this.numberOfInstances = numberOfInstances; 5. } 6. } 7. public class ExtendedA extends ClassA { 8.private ExtendedA(int numberOfInstances) { 9. super(numberOfInstances); 10. } 11. public static voidmain(String[] args) { 12. ExtendedA ext = new ExtendedA(420); 13.System.out.print(ext.numberOfInstances); 14. } 15. } Which statement is true?A.420 is the output.B.An exception is thrown at runtime.C.All constructors must be declared public.D.Constructors CANNOT use the private modifier.E.Constructors CANNOT use the protected modifier.Answer:A5.Given: 10. interface Jumper { public void jump(); } ... 20. class Animal {} ... 30. class Dog extends Animal{ 31. Tail tail; 32. } ... 40. class Beagle extends Dog implements Jumper{ 41. public void jump() {} 42. } ...50. class Cat implements Jumper{ 51. public void jump() {} 52. } Which three are true? (Choose three.)A.Cat is-a AnimalB.Cat is-a JumperC.Dog is-a AnimalD.Dog is-a JumperE.Cat has-a AnimalF.Beagle has-a TailG.Beagle has-a JumperAnswer:B C F需要完整版题库的请到test-passport,cn去，那会有你需要的题库的。

crammer101

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发表于 2010-08-23 10:36 |只看该作者

大家顶啊

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