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Thread: abstract classes and interfaces ?

  1. #1
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    Jan 2019
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    abstract classes and interfaces ?

    Hello Dear,

    Please Tell Me What is the difference between abstract classes and interfaces ?

  2. #2
    Registered sulbha's Avatar
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    Dec 2014
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    545
    Hi Friend,
    Main difference is methods of a Java interface are implicitly abstract and cannot have implementations. A Java abstract class can have instance methods that implements a default behavior. A Java class can implement multiple interfaces but it can extend only one abstract class.

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