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100% Pass Quiz 2023 Oracle Authoritative 1Z0-819: Java SE 11 Developer 100% Accuracy

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1Z0-006 Official Certification SiteOracle Cloud Learning Resources

Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps:

  • Deploy and execute modular applications, including automatic modules
  • Connect to and perform database SQL operations, process query results using JDBC APIAnnotations
  • Handle file system objects using java.nio.file API
  • Implement serialization and deserialization techniques on Java objects
  • Declare, use, and expose modules, including the use of services
  • Create and use enumerations
  • Utilize polymorphism and casting to call methods, differentiate object type versus reference type

Oracle Java SE 11 Developer Sample Questions (Q74-Q79):

NEW QUESTION # 74
Given these two classes:


And given this fragment:

Which describes the fragment?

  • A. It throws IllegalMonitorStateException.
  • B. It is subject to deadlock.
  • C. The code does not compile.
  • D. It is subject to livelock.

Answer: C


NEW QUESTION # 75
Given the code fragment:

What is the result?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: A


NEW QUESTION # 76
Given:

Why does D cause a compilation error?

  • A. D inherits a() from B and C but the return types are incompatible.
  • B. D extends more than one interface.
  • C. D inherits a() only from C.
  • D. D does not define any method.

Answer: A


NEW QUESTION # 77
Why would you choose to use a peekoperation instead of a forEachoperation on a Stream?

  • A. to process the current item and return void
  • B. to process the current item and return a stream
  • C. to remove an item from the beginning of the stream
  • D. to remove an item from the end of the stream

Answer: B

Explanation:
Explanation/Reference: https://www.baeldung.com/java-streams-peek-api


NEW QUESTION # 78
Given:

Which two independent changes will make the Main class compile? (Choose two.)

  • A. Move the entire Student class declaration to a separate Java file, Student.java.
  • B. Change line 2 to public Student(String classname).
  • C. Change line 3 to Student student = new Student("Biology");.
  • D. Change line 1 to public class Student {.
  • E. Change line 1 to static class Student {.

Answer: B,C

Explanation:


NEW QUESTION # 79
......

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