Difference between Abstract and Interface?

Interface                                                                              Abstract 

1. Interface support multiple inheritance.       1.It does not support multiple interface.

2.interface does not contain data member.      2. It contain data member.

3. Interface does not contain constructor.       3. it contains Constructor.

4. it contains only incomplete member. 
only declaration                                                4.  it contains both compl and incomplete member

5. it does not contains access modifier.       5. it contains access modifier for sub,function                                                                                                                                              properties.
everything by default public. 


6. Member of interface can not be static.    6. only complete member of abstract class cab be                                                                                   static.