Given:
java
public class BoomBoom implements AutoCloseable {
public static void main(String[] args) {
try (BoomBoom boomBoom = new BoomBoom()) {
System.out.print("bim ");
throw new Exception();
} catch (Exception e) {
System.out.print("boom ");
}
}
@Override
public void close() throws Exception {
System.out.print("bam ");
throw new RuntimeException();
}
}
What is printed?

• A. bim bam followed by an exception
• B. bim boom bam
• C. bim boom
• D. bim bam boom
• E. Compilation fails.

What do the following print?
java
public class Main {
int instanceVar = staticVar;
static int staticVar = 666;
public static void main(String args[]) {
System.out.printf("%d %d", new Main().instanceVar, staticVar);
}
static {
staticVar = 42;
}
}

• A. 42 42
• B. Compilation fails
• C. 666 42
• D. 666 666

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?

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

Given:
java
Integer frenchRevolution = 1789;
Object o1 = new String("1789");
Object o2 = frenchRevolution;
frenchRevolution = null;
Object o3 = o2.toString();
System.out.println(o1.equals(o3));
What is printed?

• A. A ClassCastException is thrown.
• B. A NullPointerException is thrown.
• C. true
• D. false
• E. Compilation fails.

Given:
java
Deque<Integer> deque = new ArrayDeque<>();
deque.offer(1);
deque.offer(2);
var i1 = deque.peek();
var i2 = deque.poll();
var i3 = deque.peek();
System.out.println(i1 + " " + i2 + " " + i3);
What is the output of the given code fragment?

• A. An exception is thrown.
• B. 2 2 1
• C. 1 1 2
• D. 1 1 1
• E. 2 1 2
• F. 1 2 2
• G. 1 2 1
• H. 2 2 2
• I. 2 1 1