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Difference between abstract class and interface
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Answer Posted / saqib khan mca 2009 galgotia g
1>Abstract class can have implementations of some methods
while interface can't have any implementations but
declarations of methods.
2>Abstract class can use various access modifiers while
interface doesn't use any access modifiers.
3>Abstract class doesn't support multiple inheritance while
interface's major use is to implement multiple and hybrid
inheritance.
4>Abstract class can have properties,data members,
constructors,static,const,readonly etc.while interface
doesn't implement these but properties.
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