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Oracle 1z0-809 certification exam consists of 80 multiple-choice questions that must be completed within a time limit of 150 minutes. 1z0-809 exam covers a wide range of topics, including Java Class Design, Advanced Java Class Design, Generics and Collections, Lambda Built-in Functional Interfaces, Java Stream API, Exceptions and Assertions, Java I/O Fundamentals, Java File I/O (NIO.2), Java Concurrency, Building Database Applications with JDBC, Localization, and Annotations.

The Oracle 1z0-809 exam consists of 80 multiple-choice and multiple-select questions that need to be answered within 150 minutes. The questions are designed to test the candidate's knowledge of Java SE 8 features such as functional programming, concurrency, database access, I/O streams, and collections. 1z0-809 Exam also includes questions on Java security, localization, and deployment.

Oracle 1z0-809 (Java SE 8 Programmer II) certification exam is designed for experienced Java developers who want to validate their advanced Java programming skills. 1z0-809 exam tests the candidate's knowledge of advanced topics such as concurrency, IO, NIO.2, JDBC, annotations, and lambdas. Passing 1z0-809 exam demonstrates the candidate's expertise in Java programming and their ability to develop robust and scalable applications.

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Oracle Java SE 8 Programmer II Sample Questions (Q77-Q82):

NEW QUESTION # 77
Given:

What is the result?

A. 10 : 22 : 20
B. 10 : 30 : 6
C. 10 : 22 : 22
D. 10 : 22 : 6

Answer: D

NEW QUESTION # 78
Given:
Class A { }
Class B { }
Interface X { }
Interface Y { }
Which two definitions of class C are valid?

A. Class C extends A, B { }
B. Class C extends A implements X { }
C. Class C extends B implements X, Y { }
D. Class C implements Y extends B { }
E. Class C implements X, Y extends B { }

Answer: B,C

NEW QUESTION # 79
Given:

And given the code fragment:

What is the result?

A. 0:20
B. Compilation fails at line n1.
C. Compilation fails at line n2.
D. 10:20

Answer: C

NEW QUESTION # 80
Which two statements are true about synchronization and locks? (Choose two.)

A. Threads cannot acquire intrinsic locks on classes.
B. A thread automatically acquires the intrinsic lock on a synchronized method's object when entering that method.
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. The intrinsic lock will be retained by a thread if return from a synchronized method is caused by an uncaught exception.
E. A thread automatically acquires the intrinsic lock on a synchronized statement when executed.

Answer: D,E

NEW QUESTION # 81
Given:

and the code fragment:

What is the result?

A. A compilation error occurs.
B. 1500.0
C. 2000.0
D. 0.0

Answer: B

NEW QUESTION # 82
......

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