2025 Oracle 1Z0-829: Pass-Sure Dumps Java SE 17 Developer Free

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The Oracle 1Z0-829 exam questions are designed and verified by experienced and qualified Oracle 1Z0-829 exam trainers. They work together and share their expertise to maintain the top standard of Oracle 1Z0-829 Exam Practice test. So you can get trust on Oracle 1Z0-829 exam questions and start preparing today.

Oracle 1Z0-829 certification exam is an important credential for Java developers who want to demonstrate their expertise in the latest version of Java SE. By obtaining this certification, you can improve your career prospects, gain recognition for your skills, and become a more valuable asset to your organization.

Oracle 1Z0-829 (Java SE 17 Developer) Certification Exam is a professional certification exam designed to test the skills and knowledge of Java developers. 1Z0-829 Exam is intended for developers who have a good understanding of Java programming language and are looking to improve their skills and advance their careers. Java SE 17 Developer certification exam covers a wide range of topics related to Java SE 17, including Java 17 Language Features, Java 17 Platform Features, Java 17 Security, and Java 17 Concurrency.

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Oracle Java SE 17 Developer Sample Questions (Q26-Q31):

NEW QUESTION # 26
Given the code fragment:

Which two statements at Line nl independently enable you to print 1250?

A. Integer res = 250 + s:
B. Integer res = 250 + integer (s2):
C. Integer res = 250; Res = + s2;
D. Integer res = 250 + integer . valueof (s);
E. Integer res= 250 + s2;
F. Integer res = 250 + integer.parseint (s)

Answer: D,F

Explanation:
Explanation
The code fragment is creating a string variable "s" with the value "10_00" and an integer variable "s2" with the value 10. The string "s" is using an underscore as a separator for readability, which is allowed in Java SE
171. The question is asking for two statements that can add 250 to the numeric value of "s" and assign it to an integer variable "res". The correct answers are A and E because they use the methods parseInt and valueOf of the Integer class to convert the string "s" to an integer. Both methods interpret the string as a signed decimal integer and return the equivalent int or Integer value23. The other options are incorrect because they either use invalid syntax, such as B and C, or they do not convert the string "s" to an integer, such as D and F: References: Binary Literals (The Java™ Tutorials > Learning the Java Language > Numbers and Strings), Integer (Java SE 17 & JDK 17), Integer (Java SE 17 & JDK 17)

NEW QUESTION # 27
Given the code fragment:

Which code line n1, obtains the java.io.Console object?

Answer: C

Explanation:
The code fragment is trying to obtain the java.io.Console object, which is a class that provides methods to access the character-based console device, if any, associated with the current Java virtual machine. The correct way to obtain the Console object is to call the static method Console console() in the java.lang.System class. This method returns the unique Console object associated with the current Java virtual machine, if any. Therefore, option A is correct, as it calls System.console() and assigns it to a Console variable. Reference:
https://docs.oracle.com/javase/17/docs/api/java.base/java/io/Console.html
https://docs.oracle.com/javase/17/docs/api/java.base/java/lang/System.html#console()
https://education.oracle.com/products/trackp_OCPJSE17
https://mylearn.oracle.com/ou/learning-path/java-se-17-developer/99487

NEW QUESTION # 28
Given the code fragment:

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

Answer: A

Explanation:
The code fragment in Option C invokes all callable objects in the workers set by using the ExecutorService's invokeAll() method. This method takes a collection of Callable objects and returns a list of Future objects representing the results of the tasks. The other options are incorrect because they either use the wrong method (invokeAny() or submit()) or have syntax errors (missing parentheses or semicolons). Reference: AbstractExecutorService (Java SE 17 & JDK 17) - Oracle

NEW QUESTION # 29
Given the code fragment:

What is the result?

A. A compilation error occurs at Line n1.
B. Can't logout
C. Logged out at: 2021-01-12T21:58:00z
D. Logged out at: 2021-0112T21:58:19.880z

Answer: C

Explanation:
The code fragment is using the Java SE 17 API to get the current time and then truncating it to minutes. The result will be the current time truncated to minutes, which is why option B is correct. Reference:
https://education.oracle.com/products/trackp_OCPJSE17
https://mylearn.oracle.com/ou/learning-path/java-se-17-developer/99487
https://docs.oracle.com/javase/17/docs/api/java.base/java/time/Instant.html#truncatedTo(java.time.temporal.TemporalUnit)

NEW QUESTION # 30
Given the code fragment:

What is the result?

A. 0110
B. True true false NewYear
C. 010 optional (Newyear)
D. False true true optional (Newyear)

Answer: D

Explanation:
Explanation
The code fragment is using the stream methods allMatch, anyMatch, noneMatch, and findFirst on a list of strings called specialDays. These methods are used to perform matching operations on the elements of a stream, such as checking if all, any, or none of the elements satisfy a given predicate, or finding the first element that matches a predicate1. The predicate in this case is that the string equals "Labour" or
"Halloween". The output will be:
False: because not all of the elements in specialDays are equal to "Labour" or "Halloween".
true: because at least one of the elements in specialDays is equal to "Labour" or "Halloween".
true: because none of the elements in specialDays are equal to both "Labour" and "Halloween".
Optional[NewYear]: because the first element in specialDays that matches the predicate is "NewYear", and the findFirst method returns an Optional object that may or may not contain a non-null value2.
References: Stream (Java SE 17 & JDK 17), Optional (Java SE 17 & JDK 17)

NEW QUESTION # 31
......

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2025 ORACLE 1Z0-829: PASS-SURE DUMPS JAVA SE 17 DEVELOPER FREE

2025 Oracle 1Z0-829: Pass-Sure Dumps Java SE 17 Developer Free