Get 2021 Updated Free Oracle 1z0-809 Exam Questions & Answer
1z0-809 Dumps PDF and Test Engine Exam Questions
Who should take the 1Z0-809 exam
The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as an Oracle Certified Java Programmer. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass Oracle Java SE 8 Programmer II 1Z0-809 Exam then he should take this exam.
The benefit in Obtaining the 1Z0-809 Exam Certification
- Oracle Certified Java Programmer is distinguished among competitors. Oracle Certified Java Programmer certification can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another.
- Oracle Certified Java Programmer Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.
- Oracle Certified Java Programmer has the knowledge to use the tools to complete the task efficiently and cost-effectively than the other non-certified professionals lack in doing so.
- Oracle Certified Java Programmer have more useful and relevant networks that help them in setting career goals for themselves. Oracle Certified Java Programmer networks provide them with the right career direction than non certified usually are unable to get.
- Oracle Certified Java Programmer Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.
NEW QUESTION 33
Given:
What is the result?
- A. 10 Hello Hello 11
- B. 100 Hello Hello 121
- C. 10 Hello Hello 121
- D. 10 Hello 11
- E. 100 Hello 121
Answer: A
NEW QUESTION 34
Given:
- A. ns = 50 S = 50 ns = 125 S = 125 ns = 0 S = 125
- B. ns = 50 S = 50 ns = 125 S = 125 ns = 100 S = 100
- C. ns = 50 S = 125 ns = 125 S = 125 ns = 100 S = 125
- D. ns = 50 S = 125 ns = 125 S = 125 ns = 0 S = 125
Answer: D
NEW QUESTION 35
Given the code fragment:
Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the dbURL, userName, and passWord exists The Employee table has a column ID of type integer and the SQL query matches one record.
What is the result?
- A. Compilation fails at line 14.
- B. Compilation fails at line 15.
- C. The code prints Error.
- D. The code prints the employee ID.
Answer: A
NEW QUESTION 36
You have been asked to create a ResourceBundle which uses a properties file to localize an application.
Which code example specifies valid keys of menu1 and menu2 with values of File Menu and View Menu?
- A. menu1 = File Menu
menu2 = View Menu - B. <key name = 'menu1">File Menu</key>
<key name = 'menu2">View Menu</key> - C. <key>menu1</key><value>File Menu</value>
<key>menu2</key><value>View Menu</value> - D. menu1, File Menu, menu2, View Menu Menu
Answer: A
NEW QUESTION 37
Given the definition of the Book class:
Which statement is true about the Book class?
- A. It is an immutable class.
- B. It demonstrates polymorphism.
- C. It is defined using the factory design pattern.
- D. It demonstrates encapsulation.
- E. It is defined using the singleton design pattern.
Answer: D
NEW QUESTION 38
Which three statements describe the object-oriented features of the Java language?
- A. object. is the root class of all other objects.
- B. Objects can share behaviors with other objects.
- C. A main method must be declared in every class.
- D. Objects cannot be reused.
- E. A package must contain more than one class.
- F. A subclass can inherit from a superclass.
Answer: B,C,F
NEW QUESTION 39
Given the code fragment:
Which two code fragments, when inserted at line n1 independently, result in the output PEEK: Unix?
- A. .noneMatch ();
- B. .allMatch ();
- C. .anyMatch ();
- D. .findAny ();
- E. .findFirst ();
Answer: D,E
NEW QUESTION 40
Given:
What is the result?
- A. Object main 1
- B. int main 1
- C. Compilation fails.
- D. An exception is thrown at runtime.
- E. String main 1
Answer: E
NEW QUESTION 41
Given:
public class Canvas implements Drawable {
public void draw () { }
}
public abstract class Board extends Canvas { }
public class Paper extends Canvas {
protected void draw (int color) { }
}
public class Frame extends Canvas implements Drawable {
public void resize () { }
}
public interface Drawable {
public abstract void draw ();
}
Which statement is true?
- A. Paper does not compile.
- B. Frame does not compile.
- C. Board does not compile.
- D. Drawable does not compile.
- E. All classes compile successfully.
Answer: A
NEW QUESTION 42
Given the structure of the STUDENT table:
Student (id INTEGER, name VARCHAR)
Given:
public class Test {
static Connection newConnection =null;
public static Connection get DBConnection () throws SQLException {
try (Connection con = DriveManager.getConnection(URL, username, password)) { newConnection = con;
}
return newConnection;
}
public static void main (String [] args) throws SQLException {
get DBConnection ();
Statement st = newConnection.createStatement();
st.executeUpdate("INSERT INTO student VALUES (102, 'Kelvin')");
}
}
Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the URL, userName, and passWord exists.
The SQL query is valid.
What is the result?
- A. The program executes successfully and the STUDENT table is NOT updated with any record.
- B. The program executes successfully and the STUDENT table is updated with one record.
- C. A SQLException is thrown as runtime.
- D. A NullPointerException is thrown as runtime.
Answer: D
NEW QUESTION 43
Given the code fragments:
and
What is the result?
- A. [Dog, Cat, Mouse]
- B. null
- C. A compilation error occurs.
- D. DogCatMouse
Answer: A
NEW QUESTION 44
Given the code fragments:
class TechName {
String techName;
TechName (String techName) {
this.techName=techName;
}
}
and
List<TechName> tech = Arrays.asList (
new TechName("Java-"),
new TechName("Oracle DB-"),
new TechName("J2EE-")
);
Stream<TechName> stre = tech.stream();
//line n1
Which should be inserted at line n1 to print Java-Oracle DB-J2EE-?
- A. stre.map(a-> a.techName).forEach(System.out::print);
- B. stre.map(a-> a).forEachOrdered(System.out::print);
- C. stre.forEach(System.out::print);
- D. stre.forEachOrdered(System.out::print);
Answer: B
NEW QUESTION 45
Given the definition of the Vehicle class:
class Vehicle {
String name;
void setName (String name) {
this.name = name;
}
String getName() {
return name;
}
}
Which action encapsulates the Vehicle class?
- A. Make the name variable private.
- B. Make the setName method private.
- C. Make the setName method public.
- D. Make the name variable public.
- E. Make the Vehicle class public.
- F. Make the getName method private.
Answer: D
NEW QUESTION 46
Given the code fragment:
List<Integer> list1 = Arrays.asList(10, 20);
List<Integer> list2 = Arrays.asList(15, 30);
//line n1
Which code fragment, when inserted at line n1, prints 10 20 15 30?
- A. Stream.of(list1, list2)
.flatMapToInt(list -> list.stream())
.forEach(s -> System.out.print(s + " ")); - B. Stream.of(list1, list2)
.flatMap(list -> list.stream())
.forEach(s -> System.out.print(s + " ")); - C. Stream.of(list1, list2)
.flatMap(list -> list.intStream())
.forEach(s -> System.out.print(s + " ")); - D. list1.stream()
.flatMap(list2.stream().flatMap(e1 -> e1.stream())
.forEach(s -> System.out.println(s + " "));
Answer: D
NEW QUESTION 47
Given the code fragment:
List<String> str = Arrays.asList ("my", "pen", "is", "your', "pen");
Predicate<String> test = s -> {
int i = 0;
boolean result = s.contains ("pen");
System.out.print(i++) + ":");
return result;
};
str.stream()
.filter(test)
.findFirst()
.ifPresent(System.out ::print);
What is the result?
- A. 0 : 1 : 2 : 3 : 4 :
- B. A compilation error occurs.
- C. 0 : 0 : 0 : 0 : 0 : pen
- D. 0 : 1 : pen
- E. 0 : 0 : pen
Answer: E
NEW QUESTION 48
Assume customers.txt is accessible and contains multiple lines.
Which code fragment prints the contents of the customers.txt file?
- A. Stream<String> lines = Files.lines (Paths.get ("customers.txt"));lines.forEach( c) -> System.out.println(c));
- B. Stream<String> stream = Files.find (Paths.get ("customers.txt"));stream.forEach((String c) -> System.out.println(c));
- C. Stream<Path> stream = Files.find (Paths.get ("customers.txt"));stream.forEach( c) -> System.out.println(c));
- D. Stream<Path> stream = Files.list (Paths.get ("customers.txt"));stream.forEach( c) -> System.out.println(c));
Answer: A
NEW QUESTION 49
Given:
public enum USCurrency {
PENNY (1),
NICKLE(5),
DIME (10),
QUARTER(25);
private int value;
public USCurrency(int value) {
this.value = value;
}
public int getValue() {return value;}
}
public class Coin {
public static void main (String[] args) {
USCurrency usCoin =new USCurrency.DIME;
System.out.println(usCoin.getValue()):
}
}
Which two modifications enable the given code to compile?
- A. Make the USCurrencyenumeration constructor private.
- B. Remove the newkeyword from the instantion of usCoin.
- C. Add the finalkeyword in the declaration of value.
- D. Nest the USCurrencyenumeration declaration within the Coinclass.
- E. Make the getter method of valueas a staticmethod.
Answer: C,D
NEW QUESTION 50
Given that course.txt is accessible and contains:
Course : : Java
and given the code fragment:
public static void main (String[ ] args) {
int i;
char c;
try (FileInputStream fis = new FileInputStream ("course.txt");
InputStreamReader isr = new InputStreamReader(fis);) {
while (isr.ready()) { //line n1
isr.skip(2);
i = isr.read ();
c = (char) i;
System.out.print(c);
}
} catch (Exception e) {
e.printStackTrace();
}
}
What is the result?
- A. A compilation error occurs at line n1.
- B. ur :: va
- C. ueJa
- D. The program prints nothing.
Answer: B
NEW QUESTION 51
Given:
Which option fails?
- A. Foo<Object, Object> percentage = new Foo<String, Integer>("Steve", 100);
- B. Foo<String, String> grade = new Foo <> ("John", "A");
- C. Foo<String, String> pair = Foo.<String>twice ("Hello World!");
- D. Foo<String, Integer> mark = new Foo<String, Integer> ("Steve", 100);
Answer: A
NEW QUESTION 52
Given the content:
and given the code fragment:
Which two code fragments, when inserted at line 1 independently, enable the code to print "Wie geht's?"
- A. currentLocale = new Locale.Builder ().setLanguage ("de").setRegion ("DE").build();
- B. currentlocale = new Locale();currentLocale.setLanguage ("de");currentLocale.setRegion ("DE");
- C. currentLocale = Locale.getInstance(Locale.GERMAN,Locale.GERMANY);
- D. currentLocale = new Locale ("de", "DE");
- E. currentLocale = Locale.GERMAN;
Answer: A,B
NEW QUESTION 53
Given:
and the code fragment:
What is the result?
true
- A. false
true - B. false
- C. true
false - D. true
false
Answer: B
NEW QUESTION 54
Given:
And given the code fragment:
What is the result?
- A. 200:300
200:300 - B. 300:300
200:300 - C. 300:100
200:300 - D. 300:0
0:300
Answer: C
NEW QUESTION 55
......
How to study the 1Z0-809 Exam
There are two main types of resources for preparation of certification exams first there are the study guides and the books that are detailed and suitable for building knowledge from ground up then there are video tutorial and lectures that can somehow ease the pain of through study and are comparatively less boring for some candidates yet these demand time and concentration from the learner. Smart Candidates who want to build a solid foundation in all exam topics and related technologies usually combine video lectures with study guides to reap the benefits of both but there is one crucial preparation tool as often overlooked by most candidates the practice exams. Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. ExamTorrent expert team recommends you to prepare some notes on these topics along with it don’t forget to practice Oracle 1Z0-809 dumps which have been written by our expert team, Both these will help you a lot to clear this exam with good marks.
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