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Difference between Abstract class and interface in java

Royce Roy 2751 15 Apr 2015
What is the difference between abstract classes and interfaces in java,both look very similar to me
java javaabstract classinterface
Updated 15 Apr 2015
Royce Roy
Royce Roy

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1 Answers

Anonymous User
Anonymous User 15 Apr 2015
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Abstract classes:
1)An abstract class can have method body (non-abstract methods).
2)An abstract class can have instance variables. .
3)An abstract class can have constructor.
4)An abstract class can have static methods.
5)You can extends one abstract class.

Interfaces
1)Interface have only abstract methods.
2)An interface cannot have instance variables
3)Interface cannot have constructor.
4)Interface cannot have static methods.
5)You can implement multiple interfaces.
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