abstract:
- abstract keyword is used to declare abstract class.
- It can have abstract and non-abstract methods.
- It doesn't support multiple inheritance.
- It can have final, non-final, static and non-static variables.
Example:
public abstract class Shape{
public abstract void draw();
}
interface:
- interface keyword is used to declare interface.
- It can have only abstract methods.
- It supports multiple inheritance.
- It has only static and final variables.
Example:
public interface Drawable{
void draw();
}
