What is difference between abstract class and interface
2012-05-19 04:55
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1. A sub class could implements more than one Interface, however it could only extends one Abstract class
2. Every method in interface should be abstract,but this is not necessary in abstract class
3. Interface will contain only final static variables, but abstract class could have final variables and Instances Variables.
2. Every method in interface should be abstract,but this is not necessary in abstract class
3. Interface will contain only final static variables, but abstract class could have final variables and Instances Variables.
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