Oracle 1Z0-811 Online Practice Questions and Exam Preparation

Oracle 1Z0-811 Online Questions & Answers

• Question 1:

  Given:

  

  What is the result?

  A. 300
  B. 100
  C. 200
  D. A compilation error occurs.
  D. A compilation error occurs.

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• Question 2:

  Given:

  

  And the code fragment:

  

  What is the result?

  A. A compilation error occurs at line n1.
  B. White : null
  C. null: null
  D. White : White
  C. null: null

• Question 3:

  Given: What is the result?

  

  A. A compilation error occurs in the modify method.
  B. 99
  C. 5
  D. A compilation error occurs in the main method.
  D. A compilation error occurs in the main method.

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• Question 4:

  Given: What is the result?

  

  A. [null:-]
  B. [ : ]
  C. [null:null]
  D. [:null]
  A. [null:-]

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• Question 5:

  Given the code fragment:

  

  What is the result?

  A. 10 20 10 15 20
  B. A runtime exception is thrown.
  C. 10 20 10 20
  D. A compilation error occurs.
  D. A compilation error occurs.

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• Question 6:

  

  Given the code fragment:

  

  What is the result?

  A. 3
  B. A compilation error occurs.
  C. 2
  A. 3

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• Question 7:

  Which statement is true about a mutator method?

  A. It replaces the default constructor.
  B. It returns mutated instance members.
  C. It must be declared private.
  D. It can be used to assign data to instance members.
  B. It returns mutated instance members.

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  Reference: https://core.ac.uk/download/pdf/4824892.pdf

• Question 8:

  Which two Java reserved words are used to implement encapsulation?

  A. final
  B. static
  C. public
  D. extends
  E. private
  C. public
  E. private

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  Reference: https://learn.saylor.org/mod/page/view.php?id=22044

• Question 9:

  Given the code fragment:

  

  What is the result?

  A. false false false false
  B. true false false false
  C. true true true true
  D. true true true false
  C. true true true true

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• Question 10:

  Which two components can class declarations include?

  A. A list of instance methods
  B. The main method
  C. Interfaces implemented by the class
  D. The public modifier
  C. Interfaces implemented by the class
  D. The public modifier

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  Reference: https://docs.oracle.com/javase/tutorial/java/javaOO/classdecl.html