You can free download part of IT-Tests's exercises and answers about Oracle certification 1Z0-804 exam as a try, then you will be more confident to choose our IT-Tests's products to prepare your Oracle certification 1Z0-804 exam. Please add IT-Tests's products in you cart quickly.
Now in this time so precious society, I suggest you to choose IT-Tests.com which will provide you with a short-term effective training, and then you can spend a small amount of time and money to pass your first time attend Oracle certification 1Z0-804 exam.
IT-Tests.com help you to find real Oracle 1Z0-804 exam preparation process in a real environment. If you are a beginner, and if you want to improve your professional skills, IT-Tests.com Oracle 1Z0-804 exam braindumps will help you to achieve your desire step by step. If you have any questions about the exam, IT-Tests.com the Oracle 1Z0-804 will help you to solve them. Within a year, we provide free updates. Please pay more attention to our website.
In the past few years, Oracle certification 1Z0-804 exam has become an influenced computer skills certification exam. However, how to pass Oracle certification 1Z0-804 exam quickly and simply? Our IT-Tests.com can always help you solve this problem quickly. In IT-Tests.com we provide the 1Z0-804 certification exam training tools to help you pass the exam successfully. The 1Z0-804 certification exam training tools contains the latest studied materials of the exam supplied by IT experts.
If you are still study hard to prepare the Oracle 1Z0-804 exam, you're wrong. Of course, with studying hard, you can pass the exam. But may not be able to achieve the desired effect. Now this is the age of the Internet, there are a lot of shortcut to success. IT-Tests.com's Oracle 1Z0-804 exam training materials is a good training materials. It is targeted, and guarantee that you can pass the exam. This training matrial is not only have reasonable price, and will save you a lot of time. You can use the rest of your time to do more things. So that you can achieve a multiplier effect.
Compared with other training materials, why IT-Tests.com's Oracle 1Z0-804 exam training materials is more welcomed by the majority of candidates? First, this is the problem of resonance. We truly understand the needs of the candidates, and comprehensively than any other site. Second, focus. In order to do the things we decided to complete, we have to give up all the unimportant opportunities. Third, the quality of the product. People always determine a good or bad thing based on the surface. We may have the best products of the highest quality, but if we shows it with a shoddy manner, it naturally will be as shoddy product. However, if we show it with both creative and professional manner, then we will get the best result. The IT-Tests.com's Oracle 1Z0-804 exam training materials is so successful training materials. It is most suitable for you, quickly select it please.
Exam Code: 1Z0-804
Exam Name: Oracle Java SE 7 Programmer II Exam 1Z0-804
Free One year updates to match real exam scenarios, 100% pass and refund Warranty.
Updated: 2013-08-27
Now many IT professionals agree that Oracle certification 1Z0-804 exam certificate is a stepping stone to the peak of the IT industry. Oracle certification 1Z0-804 exam is an exam concerned by lots of IT professionals.
1Z0-804 (Java SE 7 Programmer II Exam) Free Demo Download: http://www.it-tests.com/1Z0-804.html
NO.1 Given the incomplete pseudo-code for a fork/join framework application:
submit(Data) {
if(Data.size < SMALL_ENOUGH) {
_________________(Data); // line x
}
else {
List<Data> x = _________________(Data); // line Y
for(Data d: x
______________(d); // line z
}
}
And given the missing methods:
process, submit, and splitInHalf
Which three insertions properly complete the pseudo-code?
A. Insert submit at line X.
B. Insert splitInHalf at line X.
C. Insert process at line X.
D. Insert process at line Y.
E. Insert splitInHalf at line Y.
F. Insert process at line Z.
G. Insert submit at line Z.
Answer: C,E,G
Oracle 1Z0-804 1Z0-804
NO.2 Given the code fragment:
public class DisplaValues {
public void printNums (int [] nums){
for (int number: nums) {
System.err.println(number);
}
}
}
Assume the method printNums is passed a valid array containing data. Why is this method not
producing output on the console?
A. There is a compilation error.
B. There is a runtime exception.
C. The variable number is not initialized.
D. Standard error is mapped to another destination.
Answer: D
Oracle 1Z0-804 1Z0-804 exam prep 1Z0-804 1Z0-804 exam prep
NO.3 To provide meaningful output for:
System.out.print( new Item ()):
A method with which signature should be added to the Item class?
A. public String asString()
B. public Object asString()
C. public Item asString()
D. public String toString()
E. public object toString()
F. public Item toString()
Answer: D
Oracle 1Z0-804 1Z0-804 dumps 1Z0-804 braindump
NO.4 ITEM Table
* ID, INTEGER: PK
* DESCRIP, VARCHAR(100)
* PRICE, REAL
* QUALITY, INTEGER
And given the code fragment (assuming that the SQL query is valid):
try {
String query = "SELECT * FROM Item WHERE ID=110";
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(query);
while (rs.next ()) {
System.out.println("ID: " + rs.getInt("Id"));
System.out.println("Description: " + rs.getString("Descrip"));
System.out.println("Price: " + rs.getDouble("Price"));
System.out.println("Quantity: " + rs.getInt("Quantity"));
}
} catch (SQLException se) {
System.out.println("Error");
}
What is the result of compiling and executing this code?
A. An exception is thrown at runtime
B. Compile fails
C. The code prints Error
D. The code prints information about Item 110
Answer: A
Oracle original questions 1Z0-804 braindump 1Z0-804 questions 1Z0-804
NO.5 Which method would you supply to a class implementing the Callable interface?
A. callable ()
B. executable ()
C. call ()
D. run ()
E. start ()
Answer: C
Oracle certification training 1Z0-804 1Z0-804 exam dumps 1Z0-804 study guide 1Z0-804
NO.6 Given:
import java.io.IOException;
import java.io.file.Path;
import java.io.file.Paths;
public class Path12 {
public static void main(String s[]) throws IOException {
Path path = Paths.get("\\sales\\quarter\\..\\qtrlreport.txt");
path.relativize(Paths.get("\\sales\\annualreport.txt"));
if(path.endsWith("annualreport.txt")) {
System.out.println(true);
} else {
System.out.println(false);
}
System.out.println(path);
}
}
What is the result?
A. false
\sales\quarter\ . . \qtrlreport.txt
B. false
\quarter\ . . \qtrlreport.txt
C. true
. . \ . . \ . . \ annualreport.txt
D. true
\ . . \ . . \annualreport.txt
Answer: A
Oracle 1Z0-804 1Z0-804 braindump
NO.7 Which code fragment demonstrates the proper way to handle JDBC resources?
A. Try {
ResultSet rs = stmt.executableQuery (query);
statement stmt = con.createStatement();
while (rs.next()) (/* . . . */)
} catch (SQLException e) {}
B. Try {statement stmt = con.createStatement();
ResultSet rs = stmt.executableQuery (query);
while (rs.next()) (/* . . . */)
} catch (SQLException e) {}
C. Try {
statement stmt = con.createStatement();
ResultSet rs = stmt.executableQuery (query);
while (rs.next()) (/* . . . */)
} finally {
rs.close();
stmt.close();
}
D. Try {ResultSet rs = stmt.executableQuery (query);
statement stmt = con.createStatement();
while (rs.next()) (/* . . . */)
} finally {
rs.close();
stmt.close();
}
Answer: C
Oracle original questions 1Z0-804 1Z0-804 1Z0-804 1Z0-804 demo
NO.8 Given:
import java.util.*;
public class AccessTest {
public static void main(String[] args) {
Thread t1 = new Thread(new WorkerThread());
Thread t2 = new Thread(new WorkerThread());
t1.start(); t2.start; // line1
}
}
class WorkPool {
static ArrayList<Integer> list = new ArrayList<>(); // line2
public static void addItem() { // line3
list.add(1); // Line4
}
}
class WorkerThread implements Runnable {
static Object bar = new Object ();
public void run() { //line5
for (int i=0; i<5000;i++) WorkPool.addItem(); // line6
}
}
Which of the four are valid modifications to synchronize access to the valid list between threads t1
and t2?
A. Replace line 1 with:
Synchronized (t2) (t1.start();) synchronized(t1) (t2.start();)
B. Replace Line 2 with:
static CopyWriteArrayList<Integer> list = new CopyWriteArrayList<>();
C. Replace line 3 with:
synchronized public static void addItem () {
D. Replace line 4 with:
synchronized (list) (list.add(1);)
E. Replace line 5 with:
Synchronized public void run () {
F. replace line 6 with:
Synchronized (this) {for (in i = 0, i<5000, i++) WorkPool.addItem(); }
G. Replace line 6 with:
synchronized (bar) {for (int i= 0; i<5000; i++) WorkPool.addItem(); }
Answer: F
Oracle practice test 1Z0-804 1Z0-804 1Z0-804 demo
NO.9 Given this error message when running your application:
Exception in thread "main" java.util.MissingResourceException: Can't find bundle for base name
MessageBundle, locale
And given that the MessageBundle.properties file has been created, exists on your disk, and is
properly formatted.
What is the cause of the error message?
A. The file is not in the environment path.
B. The file is not in the classpath.
C. The file is not in the javapath.
D. You cannot use a file to store a ResourceBundle.
Answer: D
Oracle 1Z0-804 1Z0-804 1Z0-804 certification training
NO.10 Given a language code of fr and a country code of FR, which file name represents a resource
bundle file name that is not the default?
A. MessageBundle_fr_FR.properties
B. MessageBundle_fr_FR.profile
C. MessageBundle_fr_FR.xinl
D. MessageBundle__fr__FR.Java
E. MessageBundle__fr__FR.Locale
Answer: A
Oracle 1Z0-804 1Z0-804 1Z0-804 questions 1Z0-804 certification training
NO.11 Given:
class Deeper {
public Number getDepth() {
return 10;
}
}
Which two classes correctly override the getDepth method?
A. public class deep extends Deeper {
protected integer getDepth(){
return 5;
}
}
B. public class deep extends Deeper {
public double getDepth() {
return"5";
}
}
C. public class deep extends Deeper {
public String getDepth () {
}
}
D. public class deep extends Deeper {
public Long getDepth (int d) {
return 5L;
}
}
E. public class deep extends Deeper {
public short getDepth () {
return 5;
}
}
Answer: A,E
Oracle 1Z0-804 pdf 1Z0-804 1Z0-804 study guide 1Z0-804
NO.12 Which two codes correctly represent a standard language locale code?
A. ES
B. FR
C. U8
D. Es
E. fr
F. u8
Answer: A,D
Oracle certification training 1Z0-804 exam dumps 1Z0-804 study guide
NO.13 Give:
Class Employee {
public int checkEmail() {/* . . . */}
public void sendEmail (String email) {/* . . . */}
public Boolean validDateEmail(){/* . . . */}
public void printLetter (String letter) {/* . . . */}
}
Which is correct?
A. Employee takes advantage of composition.
B. Employee "has-an" Email.
C. Employee "is-a" LetterPrinter.
D. Employee has low cohesion.
Answer: D
Oracle pdf 1Z0-804 1Z0-804 original questions
NO.14 Given the fragment:
public class CustomerApplication {
public static void main (String args[]) {
CustomerDAO custDao= new CustomerDAOMemoryImpl(); // Line 3
// o t he r m e t hod
}
}
Which two valid alternatives to line 3 would decouple this application from a specific
implementation of CustomerDAO?
A. CustomerDAO custDao = CustomerDAO();
B. CustomerDAO custDao = (CustomerDAO) new Object ();
C. CustomerDAO custDao = CustomerDAO.getInstance();
D. CustomerDAO custDao = (CustomerDAO) new CustomerDAOmemoryImp1();
E. CustomerDAO custDao = customerDAOFactory.getInstance();
Answer: B,E
Oracle exam 1Z0-804 answers real questions 1Z0-804 1Z0-804 exam simulations
NO.15 Which two demonstrate the valid usage of the keyword synchronized?
A. interface ThreadSafe {
synchronized void doIt();
}
B. abstract class ThreadSafe {
synchronized abstract void doIt();
}
C. class ThreadSafe {
synchronized static void soIt () {}
}
D. enum ThreadSafe {
ONE, TWO, Three;
Synchronized final void doIt () {}
}
Answer: C
Oracle 1Z0-804 test answers 1Z0-804 1Z0-804
NO.16 Given:
public class DoubleThread {
public static void main(String[] args) {
Thread t1 = new Thread() {
public void run() {
System.out.print("Greeting");
}
};
Thread t2 = new Thread(t1); // Line 9
t2.run();
}
}
Which two are true?
A. A runtime exception is thrown on line 9.
B. No output is produced.
C. Greeting is printed once.
D. Greeting is printed twice.
E. No new threads of execution are started within the main method.
F. One new thread of execution is started within the main method.
G. Two new threads of execution are started within the main method.
Answer: C,E
Oracle test questions 1Z0-804 test answers 1Z0-804 1Z0-804 1Z0-804
NO.17 Given the code fragment:
public class App {
public static void main (String [] args){
Path path = Paths.get("C:\\education\\institute\\student\\report.txt");
System.out.println("get.Name(0): %s", path.getName(0));
System.out.println ("subpath(0, 2): %s", path.subpath (0, 2));}
}
What is the result?
A. getName (0): C:\
subpath (0, 2): C:\education\report.txt
B. getName(0): C:\
subpth(0, 2): C:\education
C. getName(0): education
subpath (0, 2): education\institute
D. getName(0): education
subpath(0, 2): education\institute\student
E. getName(0): report.txt
subpath(0, 2): insritute\student
Answer: C
Oracle test answers 1Z0-804 exam dumps 1Z0-804 study guide 1Z0-804
Explanation: Example:
Path path = Paths.get("C:\\home\\joe\\foo");
getName(0)
-> home
subpath(0,2)
Reference: The Java Tutorial, Path Operations
NO.18 Given the code fragment:
DataFormat df;
Which statement defines a new Dateformat object that displays the default date format for the UK
Locale?
A. df = DateFormat.getdatDataInstance (DateFormat.DEFAULT, Locale (UK));
B. df = DateFormat.getdatDataInstance (DateFormat.DEFAULT, UK);
C. df = DateFormat.getdatDataInstance (DateFormat.DEFAULT, Locale.UK);
D. df = new DateFormat.getdatDataInstance (DateFormat.DEFAULT, Locale.UK);
E. df = new DateFormat.getdatDataInstance (DateFormat.DEFAULT, Locale (UK));
Answer: C
Oracle study guide 1Z0-804 original questions 1Z0-804 certification training
NO.19 Given the existing destination file, a source file only 1000 bytes long, and the code fragment:
public void process (String source, String destination) {
try (InputStream fis = new FileInputStream(source);
OutputStream fos = new FileOutputStream(destination)
) {
byte [] buff = new byte[2014];
int i;
while ((i = fis.read(buff)) != -1) {
fos.write(buff,0,i); // line ***
}
} catch (IOException e) {
System.out.println(e.getClass());
}
}
What is the result?
A. Overrides the content of the destination file with the source file content
B. Appends the content of the source file to the destination file after a new line
C. Appends the content of the source file to the destination file without a break in the flow
D. Throws a runtime exception at line***
Answer: A
Oracle 1Z0-804 test 1Z0-804 1Z0-804
NO.20 Sam has designed an application. It segregates tasks that are critical and executed frequently
from tasks that are non critical and executed less frequently. He has prioritized these tasks based
on their criticality and frequency of execution. After close scrutiny, he finds that the tasks designed
to be non critical are rarely getting executed.
From what kind of problem is the application suffering?
A. race condition
B. starvation
C. deadlock
D. livelock
Answer: C
Oracle 1Z0-804 braindump 1Z0-804 certification training 1Z0-804 test questions
Having Oracle certification 1Z0-804 exam certificate is equivalent to your life with a new milestone and the work will be greatly improved. I believe that everyone in the IT area is eager to have it. A lot of people in the discussion said that such a good certificate is difficult to pass and actually the pass rate is quite low. Not having done any efforts of preparation is not easy to pass, after all, Oracle certification 1Z0-804 exam requires excellent expertise. Our IT-Tests.com is a website that can provide you with a shortcut to pass Oracle certification 1Z0-804 exam. IT-Tests.com have a training tools of Oracle certification 1Z0-804 exam which can ensure you pass Oracle certification 1Z0-804 exam and gain certificate, but also can help you save a lot of time. Such a IT-Tests.com that help you gain such a valuable certificate with less time and less money is very cost-effective for you.
没有评论:
发表评论