Consider the following declarations: public interface Displayable
{
Void display();
}
Public class Picture implements Displayable
{
Private int size;
Public void increaseSize()
{
Size++;
}
Public void decreaseSize()
{
Size--;
}
Public void display()
{
System.out.println(size);
}
Public void display(int value)
{
System.out.println(value * size);
}
}
What method invocation can be used to complete the code segment below?
Displayable picture = new Picture();
Picture._________________;
A) increaseSize()
B) decreaseSize()
C) display()
D) display(5)

Question

Quizplus · Accepted Answer

The `Displayable` interface only defines the `display()` method, so the `picture` reference of type `Displayable` can only call the `display()` method without parameters.

Consider the Following Declarations: Public Interface Displayable