Given:

and the code fragment:

What is the result?

1. A. A compilation error occurs at line n2.
2. B. A compilation error occurs because the try block doesn’t have a catch or finally block.
3. C. A compilation error occurs at line n1.
4. D. The program compiles successfully.

Correct Answer: B

Given the code fragment:
List codes = Arrays.asList (“DOC”, “MPEG”, “JPEG”); codes.forEach (c -> System.out.print(c + “ “));
String fmt = codes.stream()
.filter (s-> s.contains (“PEG”))
.r educe((s, t) -> s + t).get(); System.out.println(“n” + fmt); What is the result?

1. A. DOC MPEG JPEG MPEGJPEG
2. B. DOC MPEG MPEGJPEG MPEGMPEGJPEG
3. C. MPEGJPEG MPEGJPEG
4. D. The order of the output is unpredictable.

Correct Answer: A

Which code fragment is required to load a JDBC 3.0 driver?

1. A. Connection con = Connection.getDriver (“jdbc:xyzdata://localhost:3306/EmployeeDB”);
2. B. Class.forName(“org.xyzdata.jdbc.NetworkDriver”);
3. C. Connection con = DriverManager.getConnection (“jdbc:xyzdata://localhost:3306/EmployeeDB”);
4. D. DriverManager.loadDriver (“org.xyzdata.jdbc.NetworkDriver”);

Correct Answer: B

Given:
public final class IceCream { public void prepare() {}
}
public class Cake {
public final void bake(int min, int temp) {} public void mix() {}
}
public class Shop {
private Cake c = new Cake (); private final double discount = 0.25;
public void makeReady () { c.bake(10, 120); }
}
public class Bread extends Cake {
public void bake(int minutes, int temperature) {} public void addToppings() {}
}
Which statement is true?

1. A. A compilation error occurs in IceCream.
2. B. A compilation error occurs in Cake.
3. C. A compilation error occurs in Shop.
4. D. A compilation error occurs in Bread
5. E. All classes compile successfully.

Correct Answer: D

Given the code fragment:

What is the result?

1. A. text1text2
2. B. text1text2text2text3
3. C. text1
4. D. [text1, text2]

Correct Answer: A