Using the following definitions of the Measurable and Named interfaces.

public interface Measurable
{
double getMeasure();
}

public interface Named
{
double getName();
}
Assume BankAccount wants to implement the two interfaces. Which of the following would correctly represent the class header for BankAccount?

public class BankAccount extends Measurable, Named
public class BankAccount extends Measurable implements Named
public class BankAccount implements Measurable, Named
public interface BankAccount implements Measurable, Named