Download Java SE 17 Developer.1z0-829.PremiumDumps.2025-10-14.50q.vcex

Vendor: Oracle
Exam Code: 1z0-829
Exam Name: Java SE 17 Developer
Date: Oct 14, 2025
File Size: 9 MB
Downloads: 2
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Demo Questions

Question 1
Given the code fragment:
Which set of class definitions compiles?
  1. interface Story extends SInt {}
    interface Art extends SInt {}
  2. public interface Story extends SInt {}
    public interface Art extends SInt {}
  3. sealed interface Story extends SInt {}
    non-sealed class Art implements SInt {}
  4. non-sealed interface Story extends SInt {}
    non-sealed interface Art extends SInt {}
  5. non-sealed interface Story extends SInt {}
    class Art implements SInt {}
Correct answer: D
Explanation:
D: 4 - Mosted
D: 4 - Mosted
Question 2
Given the code fragment:
What is the result?
  1. true:true:false:false
  2. true:false:true:false
  3. true:false:true:true
  4. true:false:false:false
Correct answer: D
Explanation:
D: 3 - Mosted
D: 3 - Mosted
Question 3
Given the code fragment:
What is the result?
  1. 888
  2. 8109
  3. 7107
  4. 777
  5. 71010
  6. 81111
Correct answer: D
Explanation:
D: 3 - Mosted
D: 3 - Mosted
Question 4
Given:
What is the result?
  1. 100
    100
    1000
  2. 101
    101
    1000
  3. 1001
    100
    1000
  4. 1001
    1001
    1000
Correct answer: C
Explanation:
C: 4 - Mosted
C: 4 - Mosted
Question 5
Given the code fragment:
What is the result?
  1. false 0
    true 1
  2. false 1
    false 2
  3. true 1
    false 2
  4. false 1
    true 2
Correct answer: A
Explanation:
A: 5 - Mosted
A: 5 - Mosted
Question 6
Assume you have an automatic module from the module path display-ascii-0.2.jar.
Which name is given to the automatic module based on the given JAR file?
  1. display-ascii-0
  2. display-ascii
  3. display.ascii
  4. display-ascii-0.2
Correct answer: B
Explanation:
C: 2 - Mosted
C: 2 - Mosted
Question 7
Which statement is true about migration?
  1. Every module is moved to the module path in a bottom-up migration.
  2. Every module is moved to the module path in a top-down migration.
  3. Unnamed modules are automatic modules in a top-down migration.
  4. The required modules migrate before the modules that depend on them in a top-down migration.
Correct answer: D
Explanation:
B: 2 - Mosted
B: 2 - Mosted
Question 8
Given:
What is the result?
  1. B A D
  2. D A D
  3. B A C
  4. D D D
Correct answer: B
Explanation:
B: 6 - Mosted
B: 6 - Mosted
Question 9
Given:
What is the result?
  1. Compilation fails.
  2. wTablewChair TableChair
  3. TableChair TableChair
  4. A RuntimeException is thrown.
  5. wTableChair TableChair
Correct answer: B
Explanation:
A: 3B: 7 - Mosted
A: 3B: 7 - Mosted
Question 10
Given the code fragments:
and:
Which action prints Wagon : 200?
  1. At line n1, implement the java.io.AutoCloseable interface.
  2. At line n3, replace Car with LuxuryCar.
  3. At line n1, implement the java.io.Serializable interface.
  4. At line n3, replace readObject() with readLine().
  5. At line n2, in the main method signature, add throws IOException, ClassNotFoundException.
  6. At line n2, in the main method signature, add throws IOException, ClassCastException.
Correct answer: E
Explanation:
E: 5 - Mosted
E: 5 - Mosted
Question 11
Given:
What is the result?
  1. Software Game read error
  2. Software Game Chess 0
  3. Software Game Software Game Chess 2
  4. Software Game Chess 2
  5. Software Game write error
  6. Software Game Software Game Chess 0
Correct answer: D
Explanation:
D: 4 - Mosted
D: 4 - Mosted
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