Given: java
package vehicule.parent;
public class Car {
protected String brand = "Peugeot";
}
and java
package vehicule.child; import vehicule.parent.Car;
public class MiniVan extends Car { public static void main(String[] args) { Car car = new Car();
car.brand = "Peugeot 807"; System.out.println(car.brand);
}
}
What is printed?

1. A. Peugeot
2. B. Peugeot 807
3. C. An exception is thrown at runtime.
4. D. Compilation fails.

Correct Answer: D

Given: java
DoubleSummaryStatistics stats1 = new DoubleSummaryStatistics(); stats1.accept(4.5);
stats1.accept(6.0);
DoubleSummaryStatistics stats2 = new DoubleSummaryStatistics(); stats2.accept(3.0);
stats2.accept(8.5);
stats1.combine(stats2);
System.out.println("Sum: " + stats1.getSum() + ", Max: " + stats1.getMax() + ", Avg: " + stats1.getAverage());
What is printed?

1. A. Sum: 22.0, Max: 8.5, Avg: 5.5
2. B. Sum: 22.0, Max: 8.5, Avg: 5.0
3. C. An exception is thrown at runtime.
4. D. Compilation fails.

Correct Answer: A

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?

1. A. Numbers from 1 to 25 sequentially
2. B. Numbers from 1 to 25 randomly
3. C. Numbers from 1 to 1945 randomly
4. D. An exception is thrown at runtime
5. E. Compilation fails

Correct Answer: B

Given: java
String colors = "redn" + "greenn" +
"bluen";
Which text block can replace the above code?

1. A. javaString colors = """ red \green\ blue \ """;
2. B. javaString colors = """ red \sgreen\s blue \s """;
3. C. javaString colors = """ red \tgreen\t blue \t """;
4. D. javaString colors = """ redgreen blue """;
5. E. None of the propositions

Correct Answer: D

Which of the followingisn'ta correct way to write a string to a file?

1. A. javaPath path = Paths.get("file.txt"); byte[] strBytes = "Hello".getBytes(); Files.write(path, strBytes);
2. B. javatry (BufferedWriter writer = new BufferedWriter("file.txt")) { writer.write("Hello");}
3. C. javatry (FileOutputStream outputStream = new FileOutputStream("file.txt")) { byte[] strBytes = "Hello".getBytes();outputStream.write(strBytes);}
4. D. javatry (PrintWriter printWriter = new PrintWriter("file.txt")) { printWriter.printf("Hello %s", "James");}
5. E. None of the suggestions
6. F. javatry (FileWriter writer = new FileWriter("file.txt")) { writer.write("Hello");}

Correct Answer: B