1Z0-829 Free Exam Questions & Answers (Updated 2026)

Given the code fragments:

Which is true?

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The program prints an exception Answer: B Explanation: The code creates two threads, t1 and t2, and starts them. The threads will print their names and the value of the Atomic Integer object, x, which is initially set to 1. The threads will then increment the value of x and print their names and the new value of x. Since the threads are started at the same time, the output will be in random order. However, the final output will always be t1 : 1 : t2: 1 : t1 : 2 : t2: 2: Reference: AtomicInteger (Java SE 17 & JDK 17) - Oracle

Which statement is true?

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IllegalStateException is thrown if a thread in waiting state is moved back to runnable.

Given the code fragment:

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

A)

B)

C)

D)

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Given the code fragment:

What is the result?

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Given the code fragment:

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Oracle 1Z0-829 Free Exam Questions (Updated 2026)