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1Z0-809 Dumps - Full Mock Test
Java SE 8 Programmer II
  • 196 Questions
  • 120 MINUTES
  • 2025-04-03 Updated
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QUESTION 6

Given the code fragment:
List nL = Arrays.asList(“Jim”, “John”, “Jeff”); Function funVal = s -> “Hello : “.contact(s); nL.Stream()
.map(funVal)
.peek(System.out::print); What is the result?

Correct Answer: C

QUESTION 7

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?

Correct Answer: D

QUESTION 8

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 = null;
Optional
addrs1 = Optional.ofNullable (address);
Employee e1 = new Employee (addrs1);
String eAddress = (addrs1.isPresent()) ? addrs1.get().getCity() : “City Not available”;
What is the result?

Correct Answer: B

QUESTION 9

You want to create a singleton class by using the Singleton design pattern. Which two statements enforce the singleton nature of the design? (Choose two.)

Correct Answer: BD

QUESTION 10

Given the records from the STUDENT table:
1Z0-809 dumps exhibit
Given the code fragment:
1Z0-809 dumps exhibit
Assume that the URL, username, and password are valid. What is the result?

Correct Answer: A