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Oracle 1Z0-819 Online Practice Questions and Exam Preparation

1Z0-819 Exam Details

  • Exam Code
    :1Z0-819
  • Exam Name
    :Java SE 11 Developer
  • Certification
    :Oracle Certifications
  • Vendor
    :Oracle
  • Total Questions
    :332 Q&As
  • Last Updated
    :Jun 19, 2026

Oracle 1Z0-819 Online Questions & Answers

  • Question 221:

    Given:

    What is the result?

    A. [0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet
    B. [0,0] = Red[1,0] = Black[2,0] = Blue
    C. java.lang.ArrayIndexOutOfBoundsException thrown
    D. [0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet

  • Question 222:

    Given:

    Which is true?

    A. The code compiles but does not print any result.
    B. The code prints 25.
    C. The code does not compile.
    D. The code throws an exception at runtime.

  • Question 223:

    Given:

    You want to obtain the Filechannel object on line 1. Which code fragment will accomplish this?

    A. Option A
    B. Option B
    C. Option C
    D. Option D

  • Question 224:

    Given:

    What is the type of x?

    A. char
    B. List
    C. String
    D. List

  • Question 225:

    Given:

    What is the result?

    A. Mr. Green
    B. Green
    C. An exception is thrown at runtime.
    D. Mr. Blue

  • Question 226:

    Given:

    and

    and

    What is the result?

    A. The compilation fails on line 2.
    B. ab action
    C. An exception is thrown at run time.
    D. a action
    E. The compilation fails on line 1.

  • Question 227:

    Given:

    What is the result?

    A. Orange Juice
    B. The compilation fails.
    C. Orange Juice Apple Pie Lemmon Ice Raspberry Tart
    D. The program prints nothing.

  • Question 228:

    Given:

    What is the result?

    A. 5 4 3 2 1
    B. 5
    C. nothing
    D. 5 4 3 2 1 4 3 2 1 3 2 1 2 1 1

  • Question 229:

    Given:

    What is the result?

    A. Good Morning, Potter
    B. Good Night, Potter
    C. Good Morning, Harry
    D. Good Night, Harry

  • Question 230:

    Given:

    What is the correct definition of the JsonField annotation that makes the Point class compile?

    A. Option A
    B. Option B
    C. Option C

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