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If you are an experienced Java developer looking to take your career to the next level, the Oracle 1z1-809 Certification Exam is an excellent choice. It is a globally recognized certification that demonstrates your expertise in Java SE 8 and is highly valued by employers.

To take the Oracle 1z0-809 certification exam, candidates must have a good understanding of the Java programming language, including its syntax, operators, and data types. They should also be familiar with object-oriented programming concepts and design patterns. Additionally, candidates should have experience in developing Java applications and be comfortable with using various Java frameworks.

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Oracle 1z0-809 exam, also known as the Java SE 8 Programmer II exam, is designed to test the knowledge and skills of Java programmers who have experience with the Java programming language and the Java SE 8 platform. 1z1-809 Exam is the second of two exams required to become an Oracle Certified Professional, Java SE 8 Programmer. It is intended for developers who have a strong foundation in Java and want to demonstrate their proficiency in advanced Java programming concepts and techniques.

Oracle Java SE 8 Programmer II Sample Questions (Q66-Q71):

NEW QUESTION # 66
Given:

and the code fragment:

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

Answer: A

NEW QUESTION # 67
Given:
interface Doable {
public void doSomething (String s);
}
Which two class definitions compile?

A. public class Action implements Doable {
public void doSomething(Integer i) { }
public String doThis(Integer j) { }
}
B. public abstract class Task implements Doable { public void doSomethingElse(String s) { }
}
C. public class Do implements Doable {
public void doSomething(Integer i) { }
public void doSomething(String s) { }
public void doThat (String s) { }
}
D. public class Job implements Doable {
public void doSomething(Integer i) { }
}
E. public abstract class Work implements Doable { public abstract void doSomething(String s) { } public void doYourThing(Boolean b) { }
}

Answer: B,C

NEW QUESTION # 68
Given the definition of the Bookclass:

Which statement is true about the Bookclass?

A. It is defined using the factory design pattern.
B. It is defined using the singleton design pattern.
C. It demonstrates encapsulation.
D. It is an immutable class.
E. It demonstrates polymorphism.

Answer: C

NEW QUESTION # 69
Which two are Java Exception classes?

A. SercurityException
B. IllegalArgumentException
C. TooManyArgumentsException
D. DuplicatePathException

Answer: A,B

NEW QUESTION # 70
Given the code fragment:
String str = "Java is a programming language"; ToIntFunction<String> indexVal = str: : indexOf; //line n1 int x = indexVal.applyAsInt("Java");//line n2 System.out.println(x);
What is the result?

A. 0
B. A compilation error occurs at line n2.
C. A compilation error occurs at line n1.
D. 1

Answer: D

NEW QUESTION # 71
......

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