Compile error: Animal is abstract; cannot be instantiated Abstract classes cannot be directly instantiated with new. The compiler reports an error.

Compiles and creates an Animal with null sound

Compile error: Animal is abstract; cannot be instantiated

Runtime error when sound() is called

Creating Superclasses and Subclasses

AP Computer Science A· difficulty 2/5

public abstract class Animal {
    public abstract String sound();
}
// Usage:
Animal a = new Animal();

What occurs?

Explanation

Abstract classes cannot be directly instantiated with new. The compiler reports an error.

Want 10 more like this — adaptive to your weak spots?

Related questions