What is the difference between Interface and Abstract class?

YasminRadwan26

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2022-05-13

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c# programming, Interview questions, c# programming Interview-questions,

YasminRadwan26

2022-05-13

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#	Abstract class	Interface Class
1.	Abstract class can have implementation for some of its members or methods.	Interface class can not have implementation for any its members.
2.	Abstract class can have fields.	Interface class can not have fields.
3.	Abstract class can inherit from another Abstract class or another interface.	Interface class can inherit from another interface class only. Interface cannot inherit from an abstract class.
4.	Abstract class members can have access modifiers.	Interface class members can not have access modifiers.
5.	Abstract class doesn’t support multiple inheritance.	Interface supports multiple inheritance.
e.g.	Example: public abstract class Shape{ public abstract void draw(); }	Example: public interface Drawable{ void draw(); }.

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