The advent of Oracle certification 1Z0-804 exam practice questions and answers

If you find any quality problems of our 1Z0-804 or you do not pass the exam, we will unconditionally full refund. IT-Tests.com is professional site that providing Oracle 1Z0-804 questions and answers , it covers almost the 1Z0-804 full knowledge points.

All the IT professionals are familiar with the Oracle 1Z0-804 exam. And all of you dream of owning the most demanding certification. So that you can get the career you want, and can achieve your dreams. With IT-Tests.com's Oracle 1Z0-804 exam training materials, you can get what you want.

IT-Tests.com to provide you with the real exam environment to help you find the real Oracle 1Z0-804 exam preparation process. If you are a beginner or want to improve your professional skills, IT-Tests.com Oracle 1Z0-804 will help you, let you approached you desire step by step. If you have any questions on the exam question and answers, we will help you solve it. Within a year, we will offer free update.

If you don't purchase any course, although you spend a lot of time and effort to review of knowledge to prepare for Oracle certification 1Z0-804 exam, it is still risky for you to pass the exam. But selecting IT-Tests's products allows you to spend a small amount of money and time and safely pass the exam. I believe that IT-Tests.com is more suitable for your choice in the society where time is so valuable. Moreover, our IT-Tests.com a distinct website which can give you a guarantee among many similar sites. Choosing IT-Tests.com is equivalent to choose success.

Exam Code: 1Z0-804

Exam Name: Oracle (Java SE 7 Programmer II Exam)

When you click into IT-Tests.com's site, you will see so many people daily enter the website. You can not help but be surprised. In fact, this is normal. IT-Tests.com is provide different training materials for alot of candidates. They are using our training materials tto pass the exam. This shows that our Oracle 1Z0-804 exam training materials can really play a role. If you want to buy, then do not miss IT-Tests.com website, you will be very satisfied.

If you're still studying hard to pass the Oracle 1Z0-804 exam, IT-Tests.com help you to achieve your dream. We provide you with the best Oracle 1Z0-804 exam materials. It passed the test of practice, and with the best quality. It is better than Oracle 1Z0-804 tutorials and any other related materials. It can help you to pass the Oracle 1Z0-804 exam, and help you to become a strong IT expert.

1Z0-804 (Java SE 7 Programmer II Exam) Free Demo Download: http://www.it-tests.com/1Z0-804.html

NO.1 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   1Z0-804 answers real questions   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 exam prep   1Z0-804 original questions   1Z0-804 pdf   1Z0-804 exam prep   1Z0-804

NO.3 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 original questions   1Z0-804   1Z0-804 test answers

NO.4 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 practice test   1Z0-804 certification   1Z0-804 demo   1Z0-804   1Z0-804 pdf   1Z0-804

NO.5 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 dumps   1Z0-804 dumps   1Z0-804   1Z0-804

NO.6 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   1Z0-804 test answers   1Z0-804 study guide

NO.7 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 answers real questions   1Z0-804 test answers

NO.8 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   1Z0-804 dumps   1Z0-804   1Z0-804 practice test

NO.9 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 dumps   1Z0-804 pdf   1Z0-804

NO.10 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 test   1Z0-804 exam simulations   1Z0-804

NO.11 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 test questions   1Z0-804 test   1Z0-804

NO.12 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   1Z0-804   1Z0-804 pdf   1Z0-804

NO.13 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 exam simulations   1Z0-804   1Z0-804   1Z0-804 pdf   1Z0-804 braindump

NO.14 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 practice test   1Z0-804 answers real questions   1Z0-804

NO.15 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   1Z0-804   1Z0-804 dumps   1Z0-804 original questions

NO.16 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 original questions   1Z0-804 demo   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 study guide   1Z0-804   1Z0-804 answers real questions   1Z0-804   1Z0-804 test questions
Explanation: Example:
Path path = Paths.get("C:\\home\\joe\\foo");
getName(0)
-> home
subpath(0,2)
Reference: The Java Tutorial, Path Operations

NO.18 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   1Z0-804   1Z0-804   1Z0-804 exam dumps

NO.19 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 practice test   1Z0-804   1Z0-804

NO.20 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 exam dumps   1Z0-804 certification training   1Z0-804

IT-Tests.com has a huge IT industry elite team. They all have high authority in the IT area. They use professional knowledge and experience to provide training materials for people ready to participate in different IT certification exams. The accuracy rate of exam practice questions and answers provided by IT-Tests.com is very high and they can 100% guarantee you pass the exam successfully for one time. Besides, we will provide you a free one-year update service.