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Abstract Class
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Interface
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1
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Abstract Class can contains fields, static members,
constants, Readonly, Virtual members.
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Interface cannot contains fields, static members,
constants, Readonly, Virtual members.
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2
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Abstract Class can contain zero or more abstract methods
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Interface should contain at least one abstract method.
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3
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Abstract Class can contain zero or more Non abstract methods.
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Interface cannot contain Non abstract methods.
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4
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By default Access modifiers are private.
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By default Access modifiers are Public.
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5
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Once you created abstract method in Base Class , that
method should implemented in derived class by using Override keyword.
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Once you created abstract method in Interface, that method
should implemented in derived class without using Override keyword.
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6
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Abstract class can contains Constructors.
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Interface cannot contains Constructors.
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