Compile-time error: cannot instantiate abstract class Abstract classes cannot be instantiated directly. You must instantiate a concrete subclass.

Compile-time error: cannot instantiate abstract class

Creating Superclasses and Subclasses

AP Computer Science A· difficulty 2/5

public abstract class Shape {
    public abstract double area();
}
Shape s = new Shape();

What happens?

Explanation

Abstract classes cannot be instantiated directly. You must instantiate a concrete subclass.

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