Is the 1Z0-829 practice exam free?

Yes. ExamCademy offers all 84 1Z0-829 practice questions for free with a registered account. No payment needed. Optional supporter features add AI explanations and spaced repetition study tools.

How accurate are the 1Z0-829 practice questions?

All 1Z0-829 questions are community-created and reviewed by moderators to align with Oracle's published exam objectives. The community continuously reports and fixes issues to keep content accurate and up to date.

How should I study for the 1Z0-829 exam?

Start by browsing practice questions to identify weak areas. Use spaced repetition (Learn Mode) to focus study time on topics you struggle with. Combine practice questions with official Oracle documentation and hands-on experience for best results.

1Z0-829 Practice Exam — Free 84+ Questions

84Practice Questions

3Study Modes

FreeTo Get Started

Sort:

Question 1

Question 2

Given the code fragment:

Question Image

What is the result?

A true:true:false:false
B true:false:true:false
C true:false:true:true
D true:false:false:false

Question 3

Given the code fragment:

Question Image

What is the result?

A 888
B 8109
C 7107
D 777
E 71010
F 81111

Question 4

Given:

Question Image

What is the result?

A 1001001000
B 1011011000
C 10011001000
D 100110011000

Question 5

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?

A display-ascii-0
B display-ascii
C display.ascii
D display-ascii-0.2

Question 6

Given the code fragment:

Question Image

What is the result?

A false 0true 1
B false 1false 2
C true 1false 2
D false 1true 2

Question 7

Which statement is true about migration?

A Every module is moved to the module path in a bottom-up migration.
B Every module is moved to the module path in a top-down migration.
C Unnamed modules are automatic modules in a top-down migration.
D The required modules migrate before the modules that depend on them in a top-down migration.

Question 8

Given:

Question Image

What is the result?

A B A D
B D A D
C B A C
D D D D

Question 9

Given:

Question Image

What is the result?

A Compilation fails.
B wTablewChair TableChair
C TableChair TableChair
D A RuntimeException is thrown.
E wTableChair TableChair

Question 10

Given the code fragments:

Question Image
and:

Question Image

Which action prints Wagon : 200?

A At line n1, implement the java.io.AutoCloseable interface.
B At line n3, replace Car with LuxuryCar.
C At line n1, implement the java.io.Serializable interface.
D At line n3, replace readObject() with readLine().
E At line n2, in the main method signature, add throws IOException, ClassNotFoundException.
F At line n2, in the main method signature, add throws IOException, ClassCastException.

Question 11

Given:

Question Image

What is the result?

A Software Game read error
B Software Game Chess 0
C Software Game Software Game Chess 2
D Software Game Chess 2
E Software Game write error
F Software Game Software Game Chess 0

Question 12

Given:

Question Image

Which two modifications enable the code to print Open Close?

A Replace line n1 with:class Folder extends Closeable {
B Replace line n1 with:class Folder implements AutoCloseable {
C
D Replace line n1 with:class Folder extends Exception {
E

Question 13

Given the content of the in.txt file:
0123456789
and the code fragment:

Question Image

What is the content of the out.txt file?

A 012345678
B 01234567801234
C 01234567
D 0123456789
E 012345678901234
F 0123456789234567

Question 14

Daylight Saving Time (DST) is the practice of advancing clocks at the start of spring by one hour and adjusting them backward by one hour in autumn.
Considering that in 2021, DST in Chicago (Illinois) ended on November 7th at 2 AM, and given the fragment:

Question Image

What is the output?

A truetrue
B falsetrue
C truefalse
D falsefalse

Question 15

Given:

Question Image

What is the result?

A mA
B mBmA
C mB
D mBmC

Question 16

Given the code fragment:

Question Image

Which two statements at Line n1 independently enable you to print 1250? (Choose two.)

A Integer res = 250 + Integer.parseInt(s);
B Integer res = 250 + Integer.valueOf(s);
C Integer res = 250 + s2;
D Integer res = 250;res =+ s2;
E Integer res = 250 + s;
F Integer res = 250 + Integer(s2);

Question 17

Which statement is true?

A The lock() method returns a boolean indicator immediately regardless if it has or has not managed to acquire the lock.
B The lock() method returns a boolean indicator immediately if it has managed to acquire the lock, otherwise it waits for the lock acquisition.
C The tryLock() method returns a boolean indicator immediately if it has managed to acquire the lock, otherwise it waits for the lock acquisition.
D The tryLock() method returns a boolean indicator immediately regardless if it has or has not managed to acquire the lock.

Question 18

Assuming that the data.txt file exists and has the following content: text1 text2 text3
Given the code fragment:

Question Image

What is the result?

A text1-text2-text3-text3
B text1-text2-text3A java.lang.IndexOutOfBoundsException is thrown.
C text1-text2-text3text1text2text3
D text1-text2-text3text3

Question 19

Given the code fragment:

Question Image

Which code fragment invokes all callable objects in the workers set?

A
B executorService.submit(cThreads);
C
D

Question 20

Given:

Question Image

Which action enables the code to compile?

A Replace 2 with static String name;
B Replace 7 with public static void display(String design) {
C Replace 3 with private static void display() {
D Replace 15 with Item.display("Flower");

Question 21

Given:

Question Image

Which two method invocations execute? (Choose two.)

A new MyC().m2();
B IFace.m4();
C IFace myClassObj = new MyC();myClassObj.m3();
D IFace myClassObj = new MyC();myClassObj.m4();
E IFace.m3();
F IFace.m2();

Question 22

Given:

Question Image
and the code fragment:

Question Image

What is the result?

A Marketing
B Marketing -Finance -Technical
C Marketing -UnDefined
D UnDefined

Question 23

Given the directory structure:

Question Image

Given the definition of the Doc class:

Question Image

Which two are valid definitions of the WordDoc class? (Choose two.)

A package p1.p2;public non-sealed class WordDoc extends Doc { }
B package p1;public final class WordDoc extends Doc {}
C package p1;non-sealed abstract class WordDoc extends Doc {}
D package p1.p2:public sealed class WordDoc extends Doc { }
E package p1;public class WordDoc extends Doc {}
F package p1;public non-sealed class WordDoc extends Doc {}

Question 24

Which two code fragments compile? (Choose two.)

A
B
C
D
E
F

Question 25

Given the Product class:

Question Image
and the Shop class:

Question Image

What is the result?

A Compilation fails.
B Cookie 0.0 2.99
C Cookie 2.99 2.99
D Cookie 3.99 2.99
E An exception is produced at runtime.
F Cookie 0.0 0.0

Page 1 of 4 • Questions 1-25 of 84

1 2 3 4

→

Know a question that should be here? Contribute to this exam

Given the code fragment:

Question Image

Which set of class definitions compiles?

A interface Story extends SInt {}interface Art extends SInt {}
B public interface Story extends SInt {}public interface Art extends SInt {}
C sealed interface Story extends SInt {}non-sealed class Art implements SInt {}
D non-sealed interface Story extends SInt {}non-sealed interface Art extends SInt {}
E non-sealed interface Story extends SInt {}class Art implements SInt {}

1Z0-829Preview

About the 1Z0-829 Exam

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25

1Z0-829Preview

About the 1Z0-829 Exam

Mode Selection

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25