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Java SE 21 Developer Professional
In Real Exam At Testing Centre
Exact Questions as in Real Exam Word by Word
Oracle 1z0-830 Questions and Answers
Given:
java
List
integers.stream()
.peek(System.out::print)
.limit(2)
.forEach(i -> {});
What is the output of the given code fragment?
Given:
java
public class Test {
class A {
}
static class B {
}
public static void main(String[] args) {
// Insert here
}
}
Which three of the following are valid statements when inserted into the given program?
Given:
java
List
.boxed()
.toList();
try (var executor = Executors.newVirtualThreadPerTaskExecutor()) {
cannesFestivalfeatureFilms.stream()
.limit(25)
.forEach(film -> executor.submit(() -> {
System.out.println(film);
}));
}
What is printed?
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Java SE 11 Developer
Java SE 8 Programmer II
TESTED 05 Jan 2026
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