1z0-830 Practice Questions

Given:

var cabarets = new TreeMap<>();

cabarets.put(1, "Moulin Rouge");

cabarets.put(2, "Crazy Horse");

cabarets.put(3, "Paradis Latin");

cabarets.put(4, "Le Lido");

cabarets.put(5, "Folies Bergère");

System.out.println(cabarets.subMap(2, true, 5, false));

What is printed?

Given:

java

List cannesFestivalfeatureFilms = LongStream.range(1, 1945)

.boxed()

.toList();

try (var executor = Executors.newVirtualThreadPerTaskExecutor()) {

cannesFestivalfeatureFilms.stream()

.limit(25)

.forEach(film -> executor.submit(() -> {

System.out.println(film);

}));

}

What is printed?

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 integers = List.of(0, 1, 2);

integers.stream()

.peek(System.out::print)

.limit(2)

.forEach(i -> {});

What is the output of the given code fragment?

Given:

java

var hauteCouture = new String[]{ "Chanel", "Dior", "Louis Vuitton" };

var i = 0;

do {

System.out.print(hauteCouture[i] + " ");

} while (i++ > 0);

What is printed?

Given:

java

Period p = Period.between(

LocalDate.of(2023, Month.MAY, 4),

LocalDate.of(2024, Month.MAY, 4));

System.out.println(p);

Duration d = Duration.between(

LocalDate.of(2023, Month.MAY, 4),

LocalDate.of(2024, Month.MAY, 4));

System.out.println(d);

What is the output?

Which of the following statements are correct?

Given:

java

public class ThisCalls {

public ThisCalls() {

this(true);

}

public ThisCalls(boolean flag) {

this();

}

}

Which statement is correct?

Given:

java

var _ = 3;

var $ = 7;

System.out.println(_ + $);

What is printed?

You are working on a module named perfumery.shop that depends on another module named perfumery.provider.

The perfumery.shop module should also make its package perfumery.shop.eaudeparfum available to other modules.

Which of the following is the correct file to declare the perfumery.shop module?