2013年6月18日星期二

The latest Oracle certification 1Z0-854 exam practice questions and answers

You have IT-Tests.com Oracle 1Z0-854 certification exam training materials, the same as having a bright future. IT-Tests.com Oracle 1Z0-854 exam certification training is not only the cornerstone to success, and can help you to play a greater capacity in the IT industry. The training materials covering a wide range, not only to improve your knowledge of the culture, the more you can improve the operation level. If you are still waiting, still hesitating, or you are very depressed how through Oracle 1Z0-854 certification exam. Do not worry, the IT-Tests.com Oracle 1Z0-854 exam certification training materials will help you solve these problems.


In order to pass Oracle certification 1Z0-854 exam disposably, you must have a good preparation and a complete knowledge structure. IT-Tests.com can provide you the resources to meet your need.


Only to find ways to success, do not make excuses for failure. To pass the Oracle 1Z0-854 exam, in fact, is not so difficult, the key is what method you use. IT-Tests.com's Oracle 1Z0-854 exam training materials is a good choice. It will help us to pass the exam successfully. This is the best shortcut to success. Everyone has the potential to succeed, the key is what kind of choice you have.


IT-Tests.com website is fully equipped with resources and the questions of Oracle 1Z0-854 exam, it also includes the Oracle 1Z0-854 exam practice test. Which can help candidates prepare for the exam and pass the exam. You can download the part of the trial exam questions and answers as a try. IT-Tests.com provide true and comprehensive exam questions and answers. With our exclusive online Oracle 1Z0-854 exam training materials, you'll easily through Oracle 1Z0-854 exam. Our site ensure 100% pass rate.


God wants me to be a person who have strength, rather than a good-looking doll. When I chose the IT industry I have proven to God my strength. But God forced me to keep moving. Oracle 1Z0-854 exam is a major challenge in my life, so I am desperately trying to learn. But it does not matter, because I purchased IT-Tests.com's Oracle 1Z0-854 exam training materials. With it, I can pass the Oracle 1Z0-854 exam easily. Road is under our feet, only you can decide its direction. To choose IT-Tests.com's Oracle 1Z0-854 exam training materials, and it is equivalent to have a better future.


Exam Code: 1Z0-854

Exam Name: Oracle (Java Standard Edition 5 Programmer Certified Professional Upgrade Exam)

1Z0-854 (Java Standard Edition 5 Programmer Certified Professional Upgrade Exam) Free Demo Download: http://www.it-tests.com/1Z0-854.html


NO.1 }

NO.2 Given:
12. import java.io.*;
13. public class Forest implements Serializable {
14. private Tree tree = new Tree();
15. public static void main(String [] args) {
16. Forest f = new Forest();
17. try {
18. FileOutputStream fs = new FileOutputStream("Forest.ser");
19. ObjectOutputStream os = new ObjectOutputStream(fs);
20. os.writeObject(f); os.close();
21. } catch (Exception ex) { ex.printStackTrace(); }
22. } }
23.
24. class Tree { }
What is the result?
A. An exception is thrown at runtime.
B. An instance of Forest is serialized.
C. An instance of Forest and an instance of Tree are both serialized.
D. Compilation fails.
Answer: A

Oracle   1Z0-854 test answers   1Z0-854

NO.3 Hello();

NO.4 int value;

NO.5 Which three statements concerning the use of the java.io.Serializable interface are true? (Choose
three.)
A. Objects from classes that use aggregation cannot be serialized.
B. The values in fields with the transient modifier will NOT survive serialization and deserialization.
C. It is legal to serialize an object of a type that has a supertype that does NOT implement
java.io.Serializable.
D. The values in fields with the volatile modifier will NOT survive serialization and deserialization.
E. An object serialized on one JVM can be successfully deserialized on a different JVM.
Answer: B,C,E

Oracle exam prep   1Z0-854   1Z0-854 certification   1Z0-854 pdf   1Z0-854   1Z0-854

NO.6 }

NO.7 }
What is the result?
A. Compilation fails because of an error in line 5.
B. A NullPointerException occurs at runtime.
C. Compilation fails because of an error in line 9.
D. A NumberFormatException occurs at runtime.
E. The value "4" is printed at the command line.
F. An IllegalStateException occurs at runtime.
Answer: B

Oracle   1Z0-854   1Z0-854 original questions
10.Given:
10. public class Hello {
11: String title;

NO.8 title += " World";

NO.9 return c;

NO.10 }
Which statement is true?
A. This code will perform well and converting the code to use StringBuilder will not enhance the
performance.
B. This code will perform poorly. For better performance, the code should be rewritten: return "<" +
this.name + ">";
C. This code is NOT thread-safe.
D. The programmer can replace StringBuffer with StringBuilder with no other changes.
Answer: D

Oracle exam prep   1Z0-854   1Z0-854
19.DRAG DROP
Click the Task button.
Answer:
20.Click the Exhibit button.
What two must the programmer do to correct the compilation errors? (Choose two.)
A. change the wheelCount variable in Car to protected
B. insert a call to this() in the MeGo constructor
C. insert a call to this() in the Car constructor
D. insert a call to super(vin) in the MeGo constructor
E. insert a call to super() in the MeGo constructor
F. change line 3 in the MeGo class to super.wheelCount = 3;
Answer: A,D

Oracle demo   1Z0-854 braindump   1Z0-854   1Z0-854 exam prep   1Z0-854 dumps   1Z0-854 demo

NO.11 Given:
1. public class Boxer1{
2. Integer i;
3. int x;
4. public Boxer1(int y) {
5. x = i+y;
6. System.out.println(x);
7. }
8. public static void main(String[] args) {
9. new Boxer1(new Integer(4));

NO.12 }
and:
30. Hello c = new Hello(5);
31: System.out.println(c.title);
What is the result?
A. The code runs with no output.
B. Hello
C. Hello World 5
D. Compilation fails.
E. An exception is thrown at runtime.
F. Hello World
Answer: D

Oracle   1Z0-854   1Z0-854   1Z0-854
11.Given:
10. class Line {
11. public class Point { public int x,y;}
12. public Point getPoint() { return new Point(); }
13. }
14. class Triangle {
15. public Triangle() {
16. // insert code here
17. }
18. }
Which code, inserted at line 16, correctly retrieves a local instance of a Point object?
A. Point p = (new Line()).getPoint();
B. Line.Point p = Line.getPoint();
C. Point p = Line.getPoint();
D. Line.Point p = (new Line()).getPoint();
Answer: D

Oracle test answers   1Z0-854 original questions   1Z0-854 demo   1Z0-854   1Z0-854 questions
12.Given:
11. // insert code here
12. private N min, max;
13. public N getMin() { return min; }
14. public N getMax() { return max; }
15. public void add(N added) {
16. if (min == null || added.doubleValue() < min.doubleValue())
17. min = added;
18. if (max == null || added.doubleValue() > max.doubleValue())
19. max = added;
20. }
21. }
Which two, inserted at line 11, will allow the code to compile? (Choose two.)
A. public class MinMax<?> {
B. public class MinMax<N extends Object> {
C. public class MinMax<N extends Integer> {
D. public class MinMax<? extends Object> {
E. public class MinMax<N extends Number> {
F. public class MinMax<? extends Number> {
Answer: C,E

Oracle   1Z0-854   1Z0-854 dumps
13.A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in
a JAR named myLib.jar.
Which three, taken independently, will allow the developer to use the Paper class while compiling the
Book class? (Choose three.)
A. The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.
B. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d
/foo/myLib.jar Book.java
C. The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that
includes /foo/myLib.jar/Paper.class.
D. The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..
E. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath
/foo/myLib.jar Book.java
F. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp
/foo/myLib.jar/Paper Book.java.
G. The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes
/foo/myLib.jar.
Answer: D,E,G

Oracle practice test   1Z0-854 exam simulations   1Z0-854   1Z0-854 exam dumps   1Z0-854
14.Given:
10. public class SuperCalc {
11. protected static int multiply(int a, int b) { return a * b;}
12. }
and:
20. public class SubCalc extends SuperCalc{
21. public static int multiply(int a, int b) {

NO.13 public Hello(int value) {

NO.14 Given:
1. interface TestA { String toString(); }
2. public class Test {
3. public static void main(String[] args) {
4. System.out.println(new TestA() {
5. public String toString() { return "test"; }
6. });
7. }

NO.15 Which two code fragments will execute the method doStuff() in a separate thread? (Choose two.)
A. new Thread() {
public void start() { doStuff(); }};
B. new Thread() {
public void run() { doStuff(); }};
C. new Thread(new Runnable() {
public void run() { doStuff(); }
}).start();
D. new Thread() {
public void start() { doStuff(); }
}.run();
E. new Thread(new Runnable() {
public void run() { doStuff(); }
}).run();
F. new Thread() {
public void run() { doStuff(); }
}.start();
Answer: C,F

Oracle   1Z0-854 exam prep   1Z0-854 dumps   1Z0-854 practice test   1Z0-854 practice test

NO.16 int c = super.multiply(a, b);

NO.17 public Hello() {

NO.18 }
What is the result?
A. null
B. An exception is thrown at runtime.
C. Compilation fails because of an error in line 5.
D. Compilation fails because of an error in line 4.
E. Compilation fails because of an error in line 1.
F. test
Answer: F

Oracle exam prep   1Z0-854 braindump   1Z0-854   1Z0-854 test questions   1Z0-854 study guide
8.DRAG DROP
Click the Task button.
Answer:

NO.19 return buffer.toString();

NO.20 }
and:
30. SubCalc sc = new SubCalc ();
31. System.out.println(sc.multiply(3,4));
32. System.out.println(SubCalc.multiply(2,2));
What is the result?
A. Compilation fails because of an error in line 31.
B. The code runs with no output.
C. 12
D. Compilation fails because of an error in line 22.
E. An exception is thrown at runtime.
F. Compilation fails because of an error in line 21.
Answer: D

Oracle exam dumps   1Z0-854 exam dumps   1Z0-854   1Z0-854
15.Given:
12. NumberFormat nf = NumberFormat.getInstance();
13. nf.setMaximumFractionDigits(4);
14. nf.setMinimumFractionDigits(2);
15. String a = nf.format(3.1415926);
16. String b = nf.format(2);
Which two statements are true about the result if the default locale is Locale.US? (Choose two.)
A. The value of a is 3.1415.
B. The value of a is 3.14.
C. The value of a is 3.141.
D. The value of b is 2.
E. The value of b is 2.0000.
F. The value of a is 3.1416.
G. The value of b is 2.00.
Answer: F,G

Oracle dumps   1Z0-854 dumps   1Z0-854   1Z0-854
16.Click the Exhibit button.
Which statement is true about the two classes?
A. Compilation of class B will fail. Compilation of class A will succeed.
B. Compilation of class A will fail. Compilation of class B will succeed.
C. Compilation of both classes will fail.
D. Compilation of both classes will succeed.
Answer: A

Oracle exam   1Z0-854   1Z0-854 study guide   1Z0-854   1Z0-854 dumps   1Z0-854 certification
17.Given:
11. class ClassA {}
12. class ClassB extends ClassA {}
13. class ClassC extends ClassA {}
and:
21. ClassA p0 = new ClassA();
22. ClassB p1 = new ClassB();
23. ClassC p2 = new ClassC();
24. ClassA p3 = new ClassB();
25. ClassA p4 = new ClassC();
Which three are valid? (Choose three.)
A. p2 = p4;
B. p2 = (ClassC)p1;
C. p0 = p1;
D. p2 = (ClassC)p4;
E. p1 = p2;
F. p1 = (ClassB)p3;
Answer: C,D,F

Oracle certification training   1Z0-854 study guide   1Z0-854
18.Given this method in a class:
21. public String toString() {
22. StringBuffer buffer = new StringBuffer();
23. buffer.append('<');
24. buffer.append(this.name);
25. buffer.append('>');

NO.21 Given:
20. public class CreditCard {
21.
22. private String cardID;
23. private Integer limit;
24. public String ownerName;
25.
26. public void setCardInformation(String cardID,
27. String ownerName,
28. Integer limit) {
29. this.cardID = cardID;
30. this.ownerName = ownerName;
31. this.limit = limit;
32. }
33. }
Which statement is true?
A. The ownerName variable breaks encapsulation.
B. The class is fully encapsulated.
C. The cardID and limit variables break polymorphism.
D. The code demonstrates polymorphism.
E. The setCardInformation method breaks encapsulation.
Answer: A

Oracle exam   1Z0-854   1Z0-854

NO.22 DRAG DROP
Click the Task button.
Answer:

NO.23 }

NO.24 this.value = value;

NO.25 DRAG DROP
Click the Task button. ?
Answer:

NO.26 title = "Hello";

NO.27 }

From IT-Tests.com website you can free download part of IT-Tests's latest Oracle certification 1Z0-854 exam practice questions and answers as a free try, and it will not let you down. IT-Tests.com latest Oracle certification 1Z0-854 exam practice questions and answers and real exam questions is very close. You may have also seen on other sites related training materials, but will find their Source IT-Tests.com of you carefully compare. The IT-Tests.com provide more comprehensive information, including the current exam questions, with their wealth of experience and knowledge by IT-Tests.com team of experts to come up against Oracle certification 1Z0-854 exam.


没有评论:

发表评论