public interface Printable { public void print(); } public class Printer { publi
ID: 3711818 • Letter: P
Question
public interface Printable {
public void print();
}
public class Printer {
public static void printInvoice(Printable p) {
System.out.println("Printing invoice");
p.print();
}
}
public class Order implements Printable {
public void print() {
System.out.println("Order object");
}
}
public class Rental extends Transaction implements Printable {
public void print() {
System.out.println("Rental object");
}
}
(Refer to code example given above) Which of the following statements will definitely not compile?
A) Printable p = new Order();
B) Rental rental = new Rental();
Printable p = rental;
C) Printable p = new Printable();
D) Transaction t = new Rental();
A) Printable p = new Order();
B) Rental rental = new Rental();
Printable p = rental;
C) Printable p = new Printable();
D) Transaction t = new Rental();
Explanation / Answer
C) Printable p = new Printable();
reason : we cannot instantiate an interface or abstract class in java and Printable is an interface.
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