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1Z0-809 Certification Detail Exam Code

1Z0-809

Full Exam Name

Java SE 8 Programmer II

Number of Questions

85

Practice Exams

1Z0-809 Online Practice Exam

Passing Score

65%

Time Limit

150 minutes

Recommended Training

Java SE 8 Programming Java Programming Learning Subscription Unlimited Product Learning Subscription

Syllabus Topics for Oracle 1Z0-809 Exam Topic Name Java Class Design Generics and Collections Java Stream API Use Java SE 8 Date/Time API Java File I/O (NIO.2) Building Database Applications with JDBC Assume the following: Advanced Java Class Design Lambda Built-in Functional Interfaces Exceptions and Assertions Java I/O Fundamentals Java Concurrency Localization

Oracle 1Z0-809 Exam Questions

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01. Which functional interface takes a double value and has a test() method?

Option a) Double Consumer b) Double Predicate

c) Double Unary Operator d) To Double Function

ANSWER b) Double Predicate

02. How do you change the value of an instance variable in an immutable class?

Option a) Call the setter method. b) Remove the final modifier and set the instance variable directly. c) Use a method other than Option Call the setter method. or Remove the final modifier and set the instance variable directly.. d) You can’t.

ANSWER d) You can’t.

03. Choose the class that is least likely to be marked Serializable.

Option a) A class that holds data about the amount of rain that has fallen in a given year

b) A class that manages the memory of running processes in an application c) A class that stores information about apples in an orchard d) A class that tracks the amount of candy in a gumball machine

ANSWER b) A class that manages the memory of running processes in an application

04. What is a common reason for a stream pipeline not to run?

Option a) The source doesn’t generate any items. b) There are no intermediate operations.

c) The terminal operation is missing. d) None of the above

ANSWER c) The terminal operation is missing.

05. Which of the following will print current time?

Option a) System.out.print(new LocalTime().now()); b) System.out.print(new LocalTime());

c) System.out.print(LocalTime.now()); d) System.out.print(LocalTime.today()); e) None of the above.

ANSWER c) System.out.print(LocalTime.now());

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