[Sep 17, 2025] Pass Oracle 1z1-809 Exam Info and Free Practice Test
1z1-809 Exam Dumps PDF Updated Dump from Free4Torrent Guaranteed Success
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. Free4Torrent expert team recommends you to prepare some notes on these topics along with it don't forget to practice Oracle 1Z0-809 exam dumps which have been written by our expert team, Both these will help you a lot to clear this exam with good marks.
NEW QUESTION # 24
Given the code fragment:
What is the result?
- A. Word: why what when
- B. Word: why Word: what Word: when
- C. Word: why Word: why what Word: why what when
- D. Compilation fails at line n1.
Answer: A
NEW QUESTION # 25
Given the code fragment:
List<String> colors = Arrays.asList("red", "green", "yellow");
Predicate<String> test = n - > {
System.out.println("Searching...");
return n.contains("red");
};
colors.stream()
. filter(c -> c.length() > 3)
. allMatch(test);
What is the result?
- A. A compilation error occurs.
- B. Searching...
Searching...
Searching... - C. Searching...
Searching... - D. Searching...
Answer: D
NEW QUESTION # 26
Given that data.txt and alldata.txt are accessible, and the code fragment:
What is required at line n1to enable the code to overwrite alldata.txtwith data.txt?
- A. bw.flush();
- B. bw.writeln();
- C. br.close();
- D. br.flush();
Answer: A
NEW QUESTION # 27
Given the code fragment:
BiFunction<Integer, Double, Integer> val = (t1, t2) -> t1 + t2;//line
n1
System.out.println(val.apply(10, 10.5));
What is the result?
- A. 20.5
- B. A compilation error occurs at line n1.
- C. A compilation error occurs at line n2.
- D. 0
Answer: B
NEW QUESTION # 28
Given the code fragment:
What is the result?
- A. Compilation fails only at line n2.
- B. Reading Card
Checking Card - C. Compilation fails only at line n3.
- D. Compilation fails only at line n1.
- E. Compilation fails at both line n2 and line n3.
Answer: C
NEW QUESTION # 29
Given:
and this code fragment:
What is the result?
- A. Open-Close-Open-
- B. A compilation error occurs at line n1.
- C. Open-Close-Exception - 1Open-Close-
- D. Open-Close-Open-Close-
Answer: B
NEW QUESTION # 30
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?
- A. A UserExceptionis thrown.
- B. User is registered.
- C. A compilation error occurs in the mainmethod.
- D. An AgeOutOfLimitExceptionis thrown.
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION # 31
Given the code fragments:
class Employee {
Optional<Address> address;
Employee (Optional<Address> address) {
this.address = address;
}
public Optional<Address> getAddress() { return address; }
}
class Address {
String city = "New York";
public String getCity { return city: }
public String toString() {
return city;
}
}
and
Address address = null;
Optional<Address> addrs1 = Optional.ofNullable (address);
Employee e1 = new Employee (addrs1);
String eAddress = (addrs1.isPresent()) ? addrs1.get().getCity() : "City Not available";
What is the result?
- A. City Not available
- B. A NoSuchElementException is thrown at run time.
- C. New York
- D. null
Answer: D
NEW QUESTION # 32
Given the code fragment:
List<String> empDetails = Arrays.asList("100, Robin, HR",
" 200, Mary, AdminServices",
" 101, Peter, HR");
empDetails.stream()
.filter(s-> s.contains("1"))
.sorted()
.forEach(System.out::println); //line n1
What is the result?
- A. 100, Robin, HR
1 01, Peter, HR - B. 100, Robin, HR
2 00, Mary, AdminServices
1 01, Peter, HR - C. A compilation error occurs at line n1.
- D. 100, Robin, HR
1 01, Peter, HR
2 00, Mary, AdminServices
Answer: A
NEW QUESTION # 33
Given:
class Bird {
public void fly () { System.out.print("Can fly"); }
}
class Penguin extends Bird {
public void fly () { System.out.print("Cannot fly"); }
}
and the code fragment:
class Birdie {
public static void main (String [ ] args) {
fly( ( ) -> new Bird ( ));
fly (Penguin : : new);
}
/* line n1 */
}
Which code fragment, when inserted at line n1, enables the Birdie class to compile?
- A. static void fly (Supplier<? extends Bird> bird) {
LOST - B. static void fly (Consumer<? extends Bird> bird) {
bird.accept( ) fly ();
} - C. static void fly (Supplier<Bird> bird) {
bird.get( ) fly ();
} - D. static void fly (Consumer<Bird> bird) {
bird :: fly ();
}
Answer: C
NEW QUESTION # 34
Given the code fragment:
public class Foo {
public static void main (String [ ] args) {
Map<Integer, String> unsortMap = new HashMap< > ( );
unsortMap.put (10, "z");
unsortMap.put (5, "b");
unsortMap.put (1, "d");
unsortMap.put (7, "e");
unsortMap.put (50, "j");
Map<Integer, String> treeMap = new TreeMap <Integer, String> (new
Comparator<Integer> ( ) {
@Override public int compare (Integer o1, Integer o2) {return
o2.compareTo
(o1); } } );
treeMap.putAll (unsortMap);
for (Map.Entry<Integer, String> entry : treeMap.entrySet () ) {
System.out.print (entry.getValue () + " ");
}
}
}
What is the result?
- A. z b d e j
- B. A compilation error occurs.
- C. j z e b d
- D. d b e z j
Answer: C
NEW QUESTION # 35
Given: What is the result?
- A. AnArrayIndexOutOfBoundsException is thrown at runtime.
- B. A NullPointerException is thrown at runtime.
- C. The program prints nothing
- D. d
- E. A StringIndexOutOfBoundsException is thrown at runtime.
Answer: E
NEW QUESTION # 36
Given:
final class Folder { //line n1
/ /line n2
public void open () {
System.out.print("Open");
}
}
public class Test {
public static void main (String [] args) throws Exception {
try (Folder f = new Folder()) {
f.open();
}
}
}
Which two modifications enable the code to print Open Close?
- A. Replace line n1 with:
class Folder implements AutoCloseable { - B. At line n2, insert:
public void close () throws IOException {
System.out.print("Close");
} - C. Replace line n1 with:
class Folder extends Exception { - D. At line n2, insert:
final void close () {
System.out.print("Close");
} - E. Replace line n1 with:
class Folder extends Closeable {
Answer: A,C
NEW QUESTION # 37 
What is the result?
- A. A compilation error occurs at line 15.
- B. A compilation error occurs at line 7.
- C. 0
- D. A compilation error occurs at line 8.
Answer: C
NEW QUESTION # 38
Given:
and the code fragment:
What is the result?
- A. A compilation error occurs because the try block doesn't have a catch or finally block.
- B. A compilation error occurs at line n2.
- C. A compilation error occurs at line n1.
- D. The program compiles successfully.
Answer: A
NEW QUESTION # 39
Which two methods from the java.util.stream.Stream interface perform a reduction operation? (Choose two.)
- A. distinct ()
- B. collect ()
- C. filter ()
- D. peek ()
- E. count ()
Answer: B,E
NEW QUESTION # 40
Given the code fragment:
List<Double> 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?
- A. 100.12
200.32 - B. A compilation error occurs at line n2.
- C. 200.12
300.32 - D. A compilation error occurs at line n1.
Answer: B
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION # 41
Given the code fragment:
Path source = Paths.get ("/data/december/log.txt");
Path destination = Paths.get("/data");
Files.copy (source, destination);
and assuming that the file /data/december/log.txt is accessible and
contains:
10-Dec-2014 ?Executed successfully
What is the result?
- A. A FileAlreadyExistsException is thrown at run time.
- B. A FileNotFoundException is thrown at run time.
- C. A file with the name log.txt is created in the /data directory and the content of the
/data/december/log.txt file is copied to it. - D. The program executes successfully and does NOT change the file system.
Answer: A
NEW QUESTION # 42
Given:
interface Rideable {Car getCar (String name); }
class Car {
private String name;
public Car (String name) {
this.name = name;
}
}
Which code fragment creates an instance of Car?
- A. Rideable rider = Car : : new;Car vehicle = rider.getCar("MyCar");
- B. Car auto = Car ("MyCar"): : new;
- C. Car vehicle = Rideable : : new : : getCar("MyCar");
- D. Car auto = Car : : new;Car vehicle = auto : : getCar("MyCar");
Answer: A
NEW QUESTION # 43
Given:
and the code fragment:
What is the result?
- A. An exception is thrown at line n2.
- B. A compilation error occurs because the try block is declared without a catch or finally block.
- C. A compilation error occurs at line n1.
- D. 0
Answer: D
NEW QUESTION # 44
......
Oracle 1z0-809 (Java SE 8 Programmer II) Certification Exam is ideal for Java developers who have already obtained the Oracle Certified Associate (OCA) certification or have equivalent experience. 1z1-809 exam is a must-have for developers who wish to demonstrate their mastery of Java SE 8 programming and increase their job prospects in the industry. Java SE 8 Programmer II certification is recognized globally and is highly regarded by employers across different sectors.
Oracle 1z0-809 (Java SE 8 Programmer II) Exam is a certification exam designed for experienced Java developers who want to validate their skills and knowledge in advanced areas of Java programming. 1z1-809 exam is designed to test the candidate’s ability to write code using Java SE 8 programming language features such as Lambda expressions, functional interfaces, and streams. 1z1-809 exam also tests the candidate’s knowledge of Java SE 8 API specifications, concurrency, JDBC API, and localization.
Pass Your Oracle Exam with 1z1-809 Exam Dumps: https://pdfdumps.free4torrent.com/1z1-809-valid-dumps-torrent.html