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1z0-809 Java SE 8 Programmer II Questions and Answers

Questions 4

Given the code fragment:

1z0-809 Question 4

What is the result?

Options:

A.

A compilation error occurs at line n1.

B.

courseJava

C.

Javacourse

D.

A compilation error occurs at line n2.

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Questions 5

Given the code fragment:

1z0-809 Question 5

What is the result?

Options:

A.

A compilation error occurs.

B.

[Java, J2EE, J2ME, JSTL, JSP]

C.

null

D.

[Java, J2EE, J2ME, JSTL]

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Questions 6

Which code fragment is required to load a JDBC 3.0 driver?

Options:

A.

Connection con = Connection.getDriver(“jdbc:xyzdata://localhost:3306/EmployeeDB”);

B.

Class.forName(“org.xyzdata.jdbc.NetworkDriver”);

C.

Connection con = DriverManager.getConnection(“jdbc:xyzdata://localhost:3306/EmployeeDB”);

D.

DriverManager.loadDriver (“org.xyzdata.jdbc.NetworkDriver”);

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Questions 7

Given the code fragments:

class MyThread implements Runnable {

private static AtomicInteger count = new AtomicInteger (0);

public void run () {

int x = count.incrementAndGet();

System.out.print (x+” “);

}

}

and

Thread thread1 = new Thread(new MyThread());

Thread thread2 = new Thread(new MyThread());

Thread thread3 = new Thread(new MyThread());

Thread [] ta = {thread1, thread2, thread3};

for (int x= 0; x < 3; x++) {

ta[x].start();

}

Which statement is true?

Options:

A.

The program prints 1 2 3 and the order is unpredictable.

B.

The program prints 1 2 3.

C.

The program prints 1 1 1.

D.

A compilation error occurs.

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Questions 8

Given the definition of the Emp class:

public class Emp

private String eName;

private Integer eAge;

Emp(String eN, Integer eA) {

this.eName = eN;

this.eAge = eA;

}

public Integer getEAge () {return eAge;}

public String getEName () {return eName;}

}

and code fragment:

Listli = Arrays.asList(new Emp(“Sam”, 20), New Emp(“John”, 60), New Emp(“Jim”, 51));

Predicate agVal = s -> s.getEAge() > 50;//line n1

li = li.stream().filter(agVal).collect(Collectors.toList());

Stream names = li.stream()map.(Emp::getEName);//line n2

names.forEach(n -> System.out.print(n + “ “));

What is the result?

Options:

A.

Sam John Jim

B.

John Jim

C.

A compilation error occurs at line n1.

D.

A compilation error occurs at line n2.

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Questions 9

Given:

class UserException extends Exception { }

class AgeOutOfLimitException extends UserException { }

and the code fragment:

class App {

public void doRegister(String name, int age)

throws UserException, AgeOutOfLimitException {

if (name.length () < 6) {

throw new UserException ();

} else if (age >= 60) {

throw new AgeOutOfLimitException ();

} else {

System.out.println(“User is registered.”);

}

}

public static void main(String[ ] args) throws UserException {

App t = new App ();

t.doRegister(“Mathew”, 60);

}

}

What is the result?

Options:

A.

User is registered.

B.

An AgeOutOfLimitException is thrown.

C.

A UserException is thrown.

D.

A compilation error occurs in the main method.

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Questions 10

Given:

1z0-809 Question 10

What change should you make to guarantee a single order of execution (printed values 1 -100 in order)?

Options:

A.

Line 3: public synchronized void run() {

B.

Line 1: class MyClass extends Thread {

C.

Line 2: public volatile int value;

D.

Line 2: public synchronized int value;

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Questions 11

Given the EMPLOYEE table;

1z0-809 Question 11

Given the code fragment:

1z0-809 Question 11

Assuming the database supports scrolling and updating, what is the result?

Options:

A.

The program throws a runtime exception at Line 1.

B.

A compilation error occurs.

C.

A new record is inserted and Employee Id: 102, Employee Name: Peter is displayed.

D.

A new record is inserted and Employee Id: 104, Employee Name: Michael is displayed.

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Questions 12

Given:

1z0-809 Question 12

and the code fragment:

1z0-809 Question 12

Assuming candlist contains Candidate objects, which code fragment calculates the average age of candidates from NewYork?

Options:

A.

1z0-809 Question 12 Option 1

B.

12

C.

12

D.

12

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Questions 13

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?

Options:

A.

Board does not compile.

B.

Paper does not compile.

C.

Frame does not compile.

D.

Drawable does not compile.

E.

All classes compile successfully.

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Questions 14

Given the code fragment:

public static void main (String[] args) throws IOException {

BufferedReader brCopy = null;

try (BufferedReader br = new BufferedReader (new FileReader(“employee.txt”))) { //

line n1

br.lines().forEach(c -> System.out.println(c));

brCopy = br;//line n2

}

brCopy.ready(); //line n3;

}

Assume that the ready method of the BufferedReader, when called on a closed BufferedReader, throws an exception, and employee.txt is accessible and contains valid text.

What is the result?

Options:

A.

A compilation error occurs at line n3.

B.

A compilation error occurs at line n1.

C.

A compilation error occurs at line n2.

D.

The code prints the content of the employee.txt file and throws an exception at line n3.

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Questions 15

Given the code fragments:

1z0-809 Question 15

and

1z0-809 Question 15

What is the result?

Options:

A.

FranceOptional[NotFound]

B.

Optional [France]Optional [NotFound]

C.

Optional[France]Not Found

D.

FranceNot Found

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Questions 16

Given the content of Operator.java, EngineOperator.java, and Engine.java files:

1z0-809 Question 16

and the code fragment:

1z0-809 Question 16

What is the result?

Options:

A.

The Engine.java file fails to compile.

B.

The EngineOperator.java file fails to compile.

C.

The Operator.java file fails to compile.

D.

ON OFF

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Questions 17

Given the code fragment:

1z0-809 Question 17

Which should be inserted into line n1 to print Average = 2.5?

Options:

A.

IntStream str = Stream.of (1, 2, 3, 4);

B.

IntStream str = IntStream.of (1, 2, 3, 4);

C.

DoubleStream str = Stream.of (1.0, 2.0, 3.0, 4.0);

D.

Stream str = Stream.of (1, 2, 3, 4);

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Questions 18

Given the code fragments:

class Caller implements Callable {

String str;

public Caller (String s) {this.str=s;}

public String call()throws Exception { return str.concat (“Caller”);}

}

class Runner implements Runnable {

String str;

public Runner (String s) {this.str=s;}

public void run () { System.out.println (str.concat (“Runner”));}

}

and

public static void main (String[] args) InterruptedException, ExecutionException {

ExecutorService es = Executors.newFixedThreadPool(2);

Future f1 = es.submit (new Caller (“Call”));

Future f2 = es.submit (new Runner (“Run”));

String str1 = (String) f1.get();

String str2 = (String) f2.get();//line n1

System.out.println(str1+ “:” + str2);

}

What is the result?

Options:

A.

The program prints:Run RunnerCall Caller : nullAnd the program does not terminate.

B.

The program terminates after printing:Run RunnerCall Caller : Run

C.

A compilation error occurs at line n1.

D.

An Execution is thrown at run time.

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Questions 19

Which statement is true about java.util.stream.Stream?

Options:

A.

A stream cannot be consumed more than once.

B.

The execution mode of streams can be changed during processing.

C.

Streams are intended to modify the source data.

D.

A parallel stream is always faster than an equivalent sequential stream.

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Questions 20

The data.doc, data.txt and data.xml files are accessible and contain text.

Given the code fragment:

Stream paths = Stream.of (Paths. get(“data.doc”),

Paths. get(“data.txt”),

Paths. get(“data.xml”));

paths.filter(s-> s.toString().endWith(“txt”)).forEach(

s -> {

try {

Files.readAllLines(s)

.stream()

.forEach(System.out::println); //line n1

} catch (IOException e) {

System.out.println(“Exception”);

}

}

);

What is the result?

Options:

A.

The program prints the content of data.txt file.

B.

The program prints:Exception<>Exception

C.

A compilation error occurs at line n1.

D.

The program prints the content of the three files.

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Questions 21

Given the code fragments:

class Employee {

Optional

address;

Employee (Optional

address) {

this.address = address;

}

public Optional

getAddress() { return address; }

}

class Address {

String city = “New York”;

public String getCity { return city: }

public String toString() {

return city;

}

}

and

Address address = new Address;

Optional

addrs1 = Optional.ofNullable (address);

Employee e1 = new Employee (addrs1);

String eAddress = (addrs1.isPresent()) ? addrs1.get().getCity() : “City Not

available”;

System.out.println(eAddress);

What is the result?

Options:

A.

New York

B.

City Not available

C.

null

D.

A NoSuchElementException is thrown at run time.

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Questions 22

Given the code fragment:

LocalDate valentinesDay =LocalDate.of(2015, Month.FEBRUARY, 14);

LocalDate nextYear = valentinesDay.plusYears(1);

nextYear.plusDays(15); //line n1

System.out.println(nextYear);

What is the result?

Options:

A.

2016-02-14

B.

A DateTimeException is thrown.

C.

2016-02-29

D.

A compilation error occurs at line n1.

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Questions 23

Given the code fragments:

interface CourseFilter extends Predicate {

public default boolean test (String str) {

return str.contains (“Java”);

}

}

and

List strs = Arrays.asList(“Java”, “Java EE”, “Embedded Java”);

Predicate cf1 = s - > s.length() > 3;

Predicate cf2 = new CourseFilter() { //line n1

public boolean test (String s) {

return s.startsWith (“Java”);

}

};

long c = strs.stream()

.filter(cf1)

.filter(cf2//line n2

.count();

System.out.println(c);

What is the result?

Options:

A.

2

B.

3

C.

A compilation error occurs at line n1.

D.

A compilation error occurs at line n2.

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Questions 24

In 2015, daylight saving time in New York, USA, begins on March 8th at 2:00 AM. As a result, 2:00 AM becomes 3:00 AM.

Given the code fragment:

1z0-809 Question 24

Which is the result?

Options:

A.

3:00 – difference: 2

B.

2:00 – difference: 1

C.

4:00 – difference: 3

D.

4:00 – difference: 2

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Questions 25

Given the code fragment:

1z0-809 Question 25

Assume that dbURL, userName, and password are valid.

Which code fragment can be inserted at line n1 to enable the code to print Connection Established?

Options:

A.

Properties prop = new Properties();prop.put (“user”, userName);prop.put (“password”, password);con = DriverManager.getConnection (dbURL, prop);

B.

con = DriverManager.getConnection (userName, password, dbURL);

C.

Properties prop = new Properties();prop.put (“userid”, userName);prop.put (“password”, password);prop.put(“url”, dbURL);con = DriverManager.getConnection (prop);

D.

con = DriverManager.getConnection (dbURL);con.setClientInfo (“user”, userName);con.setClientInfo (“password”, password);

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Questions 26

Given the code fragment:

1z0-809 Question 26

What is the result?

Options:

A.

Java EEJava EESE

B.

Java EESE

C.

The program prints either:Java EEJava SEorJava SEJava EE

D.

Java EEJava SE

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Questions 27

Given:

class CheckClass {

public static int checkValue (String s1, String s2) {

return s1 length() – s2.length();

}

}

and the code fragment:

String[] strArray = new String [] {“Tiger”, “Rat”, “Cat”, “Lion”}

//line n1

for (String s : strArray) {

System.out.print (s + “ “);

}

Which code fragment should be inserted at line n1 to enable the code to print Rat Cat Lion Tiger?

Options:

A.

Arrays.sort(strArray, CheckClass : : checkValue);

B.

Arrays.sort(strArray, (CheckClass : : new) : : checkValue);

C.

Arrays.sort(strArray, (CheckClass : : new).checkValue);

D.

Arrays.sort(strArray, CheckClass : : new : : checkValue);

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Questions 28

Given the code fragment:

public void recDelete (String dirName) throws IOException {

File [ ] listOfFiles = new File (dirName) .listFiles();

if (listOfFiles ! = null && listOfFiles.length >0) {

for (File aFile : listOfFiles) {

if (aFile.isDirectory ()) {

recDelete (aFile.getAbsolutePath ());

} else {

if (aFile.getName ().endsWith (“.class”))

aFile.delete ();

}

}

}

}

Assume that Projects contains subdirectories that contain .class files and is passed as an argument to the recDelete () method when it is invoked.

What is the result?

Options:

A.

The method deletes all the .class files in the Projects directory and its subdirectories.

B.

The method deletes the .class files of the Projects directory only.

C.

The method executes and does not make any changes to the Projects directory.

D.

The method throws an IOException.

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Questions 29

Given:

1z0-809 Question 29

Which option fails?

Options:

A.

Foo mark = new Foo (“Steve”, 100);

B.

Foo pair = Foo.twice (“Hello World!”);

C.

Foo percentage = new Foo(“Steve”, 100);

D.

Foo grade = new Foo <> (“John”, “A”);

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Questions 30

Given:

1z0-809 Question 30

and the code fragment:

1z0-809 Question 30

Which modification enables the code fragment to print Speaker?

Options:

A.

Implement Predicate in the Product.ProductFilter class and replace line n2 with .filter (p -> p.ProductFilter.test (p))

B.

Replace line n1 with:public static boolean isAvailable (Product p) {

C.

Replace line n2 with:.filter (p -> p.ProductFilter: :isAvailable (p))

D.

Replace line n2 with:.filter (p -> Product: :ProductFilter: :isAvailable ())

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Questions 31

Given the code fragment:

1z0-809 Question 31

What is the result?

Options:

A.

4000 : 2000

B.

4000 : 1000

C.

1000 : 4000

D.

1000 : 2000

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Questions 32

Given:

1z0-809 Question 32

and this code fragment:

1z0-809 Question 32

What is the result?

Options:

A.

Open-Close–Exception – 1Open–Close–

B.

Open–Close–Open–Close–

C.

A compilation error occurs at line n1.

D.

Open–Close–Open–

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Questions 33

Given:

1z0-809 Question 33

and the code fragment:

1z0-809 Question 33

Which two code fragments, when inserted at line n1 independently, enable the code to print TruckCarBike?

Options:

A.

.sorted ((v1, v2) -> v1.getVId() < v2.getVId())

B.

.sorted (Comparable.comparing (Vehicle: :getVName)).reversed ()

C.

.map (v -> v.getVid()).sorted ()

D.

.sorted((v1, v2) -> Integer.compare(v1.getVId(), v2.getVid()))

E.

.sorted(Comparator.comparing ((Vehicle v) -> v.getVId()))

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Questions 34

Given:

class Sum extends RecursiveAction { //line n1

static final int THRESHOLD_SIZE = 3;

int stIndex, lstIndex;

int [ ] data;

public Sum (int [ ]data, int start, int end) {

this.data = data;

this stIndex = start;

this. lstIndex = end;

}

protected void compute ( ) {

int sum = 0;

if (lstIndex – stIndex <= THRESHOLD_SIZE) {

for (int i = stIndex; i < lstIndex; i++) {

sum += data [i];

}

System.out.println(sum);

} else {

new Sum (data, stIndex + THRESHOLD_SIZE, lstIndex).fork( );

new Sum (data, stIndex,

Math.min (lstIndex, stIndex + THRESHOLD_SIZE)

).compute ();

}

}

}

and the code fragment:

ForkJoinPool fjPool = new ForkJoinPool ( );

int data [ ] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

fjPool.invoke (new Sum (data, 0, data.length));

and given that the sum of all integers from 1 to 10 is 55.

Which statement is true?

Options:

A.

The program prints several values that total 55.

B.

The program prints 55.

C.

A compilation error occurs at line n1.

D.

The program prints several values whose sum exceeds 55.

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Questions 35

Which two statements are true about the Fork/Join Framework? (Choose two.)

Options:

A.

The RecursiveTask subclass is used when a task does not need to return a result.

B.

The Fork/Join framework can help you take advantage of multicore hardware.

C.

The Fork/Join framework implements a work-stealing algorithm.

D.

The Fork/Join solution when run on multicore hardware always performs faster than standard sequential solution.

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Questions 36

Given:

Book.java:

public class Book {

private String read(String bname) { return “Read” + bname }

}

EBook.java:

public class EBook extends Book {

public class String read (String url) { return “View” + url }

}

Test.java:

public class Test {

public static void main (String[] args) {

Book b1 = new Book();

b1.read(“Java Programing”);

Book b2 = new EBook();

b2.read(“http://ebook.com/ebook”);

}

}

What is the result?

Options:

A.

Read Java ProgrammingView http:/ ebook.com/ebook

B.

Read Java ProgrammingRead http:/ ebook.com/ebook

C.

The EBook.java file fails to compile.

D.

The Test.java file fails to compile.

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Questions 37

Which statement is true about the single abstract method of the java.util.function.Predicate interface?

Options:

A.

It accepts one argument and returns void.

B.

It accepts one argument and returns boolean.

C.

It accepts one argument and always produces a result of the same type as the argument.

D.

It accepts an argument and produces a result of any data type.

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Questions 38

Given:

class Student {

String course, name, city;

public Student (String name, String course, String city) {

this.course = course; this.name = name; this.city = city;

}

public String toString() {

return course + “:” + name + “:” + city;

}

public String getCourse() {return course;}

public String getName() {return name;}

public String getCity() {return city;}

and the code fragment:

List stds = Arrays.asList(

new Student (“Jessy”, “Java ME”, “Chicago”),

new Student (“Helen”, “Java EE”, “Houston”),

new Student (“Mark”, “Java ME”, “Chicago”));

stds.stream()

.collect(Collectors.groupingBy(Student::getCourse))

.forEach(src, res) -> System.out.println(scr));

What is the result?

Options:

A.

A compilation error occurs.

B.

Java EEJava ME

C.

[Java EE: Helen:Houston][Java ME: Jessy:Chicago, Java ME: Mark:Chicago]

D.

[Java ME: Jessy:Chicago, Java ME: Mark:Chicago][Java EE: Helen:Houston]

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Questions 39

Which two statements are true about synchronization and locks? (Choose two.)

Options:

A.

A thread automatically acquires the intrinsic lock on a synchronized statement when executed.

B.

The intrinsic lock will be retained by a thread if return from a synchronized method is caused by an uncaught exception.

C.

A thread exclusively owns the intrinsic lock of an object between the time it acquires the lock and the time it releases it.

D.

A thread automatically acquires the intrinsic lock on a synchronized method’s object when entering that method.

E.

Threads cannot acquire intrinsic locks on classes.

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Questions 40

Given:

class Vehicle implements Comparable{

int vno;

String name;

public Vehicle (int vno, String name) {

this.vno = vno,;

this.name = name;

}

public String toString () {

return vno + “:” + name;

}

public int compareTo(Vehicle o) {

return this.name.compareTo(o.name);

}

and this code fragment:

Set vehicles = new TreeSet <> ();

vehicles.add(new Vehicle (10123, “Ford”));

vehicles.add(new Vehicle (10124, “BMW”));

System.out.println(vehicles);

What is the result?

Options:

A.

[10123:Ford, 10124:BMW]

B.

[10124:BMW, 10123:Ford]

C.

A compilation error occurs.

D.

A ClassCastException is thrown at run time.

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Questions 41

Given the content:

1z0-809 Question 41

and the code fragment:

1z0-809 Question 41

What is the result?

Options:

A.

username = Entrez le nom d’utilisateurpassword = Entrez le mot de passe

B.

username = Enter User Namepassword = Enter Password

C.

A compilation error occurs.

D.

The program prints nothing.

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Questions 42

Given the code fragment:

List doubles = Arrays.asList (100.12, 200.32);

DoubleFunction funD = d –> d + 100.0;

doubles.stream (). forEach (funD); // line n1

doubles.stream(). forEach(e –> System.out.println(e)); // line n2

What is the result?

Options:

A.

A compilation error occurs at line n2.

B.

200.12300.32

C.

100.12200.32

D.

A compilation error occurs at line n1.

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Questions 43

Given:

1z0-809 Question 43

and the code fragment:

1z0-809 Question 43

What is the result?

Options:

A.

A compilation error occurs at line n2.

B.

A compilation error occurs because the try block doesn’t have a catch or finally block.

C.

A compilation error occurs at line n1.

D.

The program compiles successfully.

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Questions 44

Given:

class Vehicle {

int vno;

String name;

public Vehicle (int vno, String name) {

this.vno = vno,;

this.name = name;

}

public String toString () {

return vno + “:” + name;

}

}

and this code fragment:

Set vehicles = new TreeSet <> ();

vehicles.add(new Vehicle (10123, “Ford”));

vehicles.add(new Vehicle (10124, “BMW”));

System.out.println(vehicles);

What is the result?

Options:

A.

10123 Ford10124 BMW

B.

10124 BMW10123 Ford

C.

A compilation error occurs.

D.

A ClassCastException is thrown at run time.

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Questions 45

Which two methods from the java.util.stream.Stream interface perform a reduction operation? (Choose two.)

Options:

A.

count ()

B.

collect ()

C.

distinct ()

D.

peek ()

E.

filter ()

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Questions 46

Given:

public class Test {

private T t;

public T get () {

return t;

}

public void set (T t) {

this.t = t;

}

public static void main (String args [ ] ) {

Test type = new Test<>();

Test type 1 = new Test ();//line n1

type.set(“Java”);

type1.set(100);//line n2

System.out.print(type.get() + “ “ + type1.get());

}

}

What is the result?

Options:

A.

Java 100

B.

java.lang.string@java.lang.Integer@

C.

A compilation error occurs. To rectify it, replace line n1 with:Test type1 = new Test<>();

D.

A compilation error occurs. To rectify it, replace line n2 with:type1.set (Integer(100));

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Questions 47

Given the code fragment:

List listVal = Arrays.asList(“Joe”, “Paul”, “Alice”, “Tom”);

System.out.println (

// line n1

);

Which code fragment, when inserted at line n1, enables the code to print the count of string elements whose length is greater than three?

Options:

A.

listVal.stream().filter(x -> x.length()>3).count()

B.

listVal.stream().map(x -> x.length()>3).count()

C.

listVal.stream().peek(x -> x.length()>3).count().get()

D.

listVal.stream().filter(x -> x.length()>3).mapToInt(x -> x).count()

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Questions 48

Given the code fragment:

List codes = Arrays.asList (“DOC”, “MPEG”, “JPEG”);

codes.forEach (c -> System.out.print(c + “ “));

String fmt = codes.stream()

.filter (s-> s.contains (“PEG”))

.reduce((s, t) -> s + t).get();

System.out.println(“\n” + fmt);

What is the result?

Options:

A.

DOC MPEG JPEGMPEGJPEG

B.

DOC MPEG MPEGJPEGMPEGMPEGJPEG

C.

MPEGJPEGMPEGJPEG

D.

The order of the output is unpredictable.

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Questions 49

Given the code fragment:

public void recDelete (String dirName) throws IOException {

File [ ] listOfFiles = new File (dirName) .listFiles();

if (listOfFiles ! = null && listOfFiles.length >0) {

for (File aFile : listOfFiles) {

if (!aFile.isDirectory ()) {

if (aFile.getName ().endsWith (“.class”))

aFile.delete ();

}

}

}

}

Assume that Projects contains subdirectories that contain .class files and is passed as an argument to the recDelete () method when it is invoked.

What is the result?

Options:

A.

The method deletes all the .class files in the Projects directory and its subdirectories.

B.

The method deletes the .class files of the Projects directory only.

C.

The method executes and does not make any changes to the Projects directory.

D.

The method throws an IOException.

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Questions 50

Which two statements are true about localizing an application? (Choose two.)

Options:

A.

Support for new regional languages does not require recompilation of the code.

B.

Textual elements (messages and GUI labels) are hard-coded in the code.

C.

Language and region-specific programs are created using localized data.

D.

Resource bundle files include data and currency information.

E.

Language codes use lowercase letters and region codes use uppercase letters.

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Questions 51

Given the code fragments:

class TechName {

String techName;

TechName (String techName) {

this.techName=techName;

}

}

and

List tech = Arrays.asList (

new TechName(“Java-“),

new TechName(“Oracle DB-“),

new TechName(“J2EE-“)

);

Stream stre = tech.stream();

//line n1

Which should be inserted at line n1 to print Java-Oracle DB-J2EE-?

Options:

A.

stre.forEach(System.out::print);

B.

stre.map(a-> a.techName).forEach(System.out::print);

C.

stre.map(a-> a).forEachOrdered(System.out::print);

D.

stre.forEachOrdered(System.out::print);

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Questions 52

Given the structure of the EHF and DEPT tables:

1z0-809 Question 52

Given the code fragment:

1z0-809 Question 52

What is the result?

Options:

A.

The code prints all of the records in the EM? table but not with the respective department names.

B.

The code prints all of the records in the EMP table along with the respective department names.

C.

The code throws a syntax error at ResultSet because the semicolon (:) is missing.

D.

The code prints only the first record of the EM? table.

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Questions 53

Given that these files exist and are accessible:

/sports/info.txt

/sports/cricket/players.txt

/sports/cricket/data/ODI.txt

and given the code fragment:

int maxDepth =2;

Stream paths = Files.find(Paths.get(“/sports”),

maxDepth,

(p, a) -> p.getFileName().toString().endsWith (“txt”),

FileVisitOption.FOLLOW_LINKS);

Long fCount = paths.count();

System.out.println(fCount);

Assuming that there are NO soft-link/symbolic links to any of the files in the directory structure, what is the result?

Options:

A.

1

B.

2

C.

3

D.

An Exception is thrown at runtime.

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Questions 54

Given the code fragment:

List list1 = Arrays.asList(10, 20);

List list2 = Arrays.asList(15, 30);

//line n1

Which code fragment, when inserted at line n1, prints 10 20 15 30?

Options:

A.

Stream.of(list1, list2).flatMap(list -> list.stream()).forEach(s -> System.out.print(s + “ “));

B.

Stream.of(list1, list2).flatMap(list -> list.intStream()).forEach(s -> System.out.print(s + “ “));

C.

list1.stream().flatMap(list2.stream().flatMap(e1 -> e1.stream()).forEach(s -> System.out.println(s + “ “));

D.

Stream.of(list1, list2).flatMapToInt(list -> list.stream()).forEach(s -> System.out.print(s + “ “));

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Questions 55

Given:

1z0-809 Question 55

and the code fragment:

1z0-809 Question 55

What is the result?

Options:

A.

An exception is thrown at line n2.

B.

100

C.

A compilation error occurs because the try block is declared without a catch or finally block.

D.

A compilation error occurs at line n1.

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Questions 56

Given the code fragment:

1z0-809 Question 56

What is the result?

Options:

A.

Word: why what when

B.

Word: why Word: why what Word: why what when

C.

Word: why Word: what Word: when

D.

Compilation fails at line n1.

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Questions 57

Given this code;

1z0-809 Question 57

Which two are correct after this class is instantiated and tested?

Options:

A.

If the value of j is set to 15, the value of i could be any integer value.

B.

If the value of j is set to 5, the value of i will be 15.

C.

If the value of i is set to 8, the value of j could be any integer value.

D.

If the value of i is set to 5, the value of j will be 1.

E.

If the value of i is set to 6, the value of j will be 18.

F.

If the value of i remains 3, the value of j will remain 9.

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Questions 58

Given that version.txt is accessible and contains:

1234567890

and given the code fragment:

1z0-809 Question 58

What is the result?

Options:

A.

121

B.

122

C.

135

D.

The program prints nothing.

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Questions 59

Given the code fragment:

1z0-809 Question 59

Which code fragment, when inserted at line n1, ensures false is printed?

Options:

A.

boolean b = cs.stream() .findAny() .get() .equals(“Java”);

B.

boolean b = cs.stream() .anyMatch (w -> w.equals (“Java”));

C.

boolean b = cs.stream() .findFirst() .get() .equals(“Java”);

D.

boolean b = cs.stream() .allMatch(w -> w.equals(“Java”));

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Questions 60

Given:

1z0-809 Question 60

Which is refactored code with functional interfaces?

Options:

A.

1z0-809 Question 60 Option 1

B.

60

C.

60

D.

60

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Questions 61

Given:

1z0-809 Question 61

and the command:

java Product 0

What is the result?

Options:

A.

An AssertionError is thrown.

B.

A compilation error occurs at line n1.

C.

New Price: 0.0

D.

A NumberFormatException is thrown at run time.

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Questions 62

Given the code fragment:

1z0-809 Question 62

What is the result?

Options:

A.

T01:00:00Z

T03:00:00Z

2015-03-12X05:00

B.

2015-03-12T01:00:00Z

2015-03-12T03:00: OOZ

2015-03-12T06:00

C.

2015-03-12T01:00: OOZ

2015-03-12T02:00: OOZ

2015-03-12T05:00

D.

An exception is thrown at run time.

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Exam Code: 1z0-809
Exam Name: Java SE 8 Programmer II
Last Update: Oct 15, 2025
Questions: 208

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