What Is The Difference Between An Interface And Abstract Class?

1.	What Is The Difference Between An Interface And Abstract Class?
Answer» In the INTERFACE all METHODS must be abstract; in the abstract CLASS some methods can be concrete. In the interface no accessibility modifiers are ALLOWED, which is ok in abstract classes. In the interface all methods must be abstract; in the abstract class some methods can be concrete. In the interface no accessibility modifiers are allowed, which is ok in abstract classes.

Answer»

In the INTERFACE all METHODS must be abstract; in the abstract CLASS some methods can be concrete. In the interface no accessibility modifiers are ALLOWED, which is ok in abstract classes.

In the interface all methods must be abstract; in the abstract class some methods can be concrete. In the interface no accessibility modifiers are allowed, which is ok in abstract classes.

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What Is The Difference Between An Interface And Abstract Class?

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