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1z0-809 Test Simulator Online | 1z0-809 Exam Simulator Online

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Oracle 1z0-809 certification exam is designed for Java developers who want to validate their skills and knowledge in Java SE 8 programming. Java SE 8 Programmer II certification exam is a step ahead of the Oracle 1z0-808 certification exam and requires a deeper understanding and expertise in Java programming language. Passing 1z0-809 exam is an excellent way to demonstrate your proficiency in Java SE 8 programming and enhance your career opportunities.

Oracle 1z1-809: Java SE 8 Programmer II is a certification exam that tests the candidate's knowledge and skills related to Java programming language. 1z0-809 Exam is designed for candidates who have already passed the Oracle 1z1-808 exam and have a good understanding of the Java programming language. 1z0-809 exam covers a wide range of topics, including Java class design, advanced Java concepts, exception handling, and concurrency.

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Oracle Java SE 8 Programmer II Sample Questions (Q122-Q127):

NEW QUESTION # 122
Given the code fragments:
4. void doStuff() throws ArithmeticException, NumberFormatException, Exception {
5. if (Math.random() >-1 throw new Exception ("Try again");
6. }
and
24. try {
25. doStuff ( ):
26. } catch (ArithmeticException | NumberFormatException | Exception e) {
27. System.out.println (e.getMessage()); }
28. catch (Exception e) {
29. System.out.println (e.getMessage()); }
30. }
Which modification enables the code to print Try again?

A. Replace line 26 with:
} catch (ArithmeticException | NumberFormatException e) {
B. Replace line 27 with:
throw e;
C. Replace line 26 with:
} catch (Exception | ArithmeticException | NumberFormatException e) {
D. Comment the lines 28, 29 and 30.

Answer: A

NEW QUESTION # 123
Given:

and the code fragment:

Which definition of the ColorSorterclass sorts the blocks list?

Answer: A

NEW QUESTION # 124
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 = new Address;
Optional<Address> 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?

A. null
B. A NoSuchElementException is thrown at run time.
C. New York
D. City Not available

Answer: A

NEW QUESTION # 125
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.forEach(System.out::print);
B. stre.map(a-> a).forEachOrdered(System.out::print);
C. stre.map(a-> a.techName).forEach(System.out::print);
D. stre.forEachOrdered(System.out::print);

Answer: C

NEW QUESTION # 126
Given the code fragment

Which code fragments, inserted independently, enable the code compile?

A. fvar = 200;
cvar = 400;
B. this.fvar = 200;
this.cvar = 400;
C. cvar = 400;
D. this.fvar = 200;
Test2.cvar = 400;
E. t.fvar = 200;
F. t.fvar = 200;
Test2.cvar = 400;

Answer: C

NEW QUESTION # 127
......

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