|
Abstract class |
Interface |
| Have abstract & non-abstract methods | Only abstract methods |
| Not support multiple inheritance | Supports multiple inheritance |
| Can have final/non-final/statis/non-static variables | Only final & static variables |
| Can have:
· static methods · main method · constructor |
Cannot have
|
| Can provide implementation of interface | Cannot provide implementation of abstract class |
| When we want to add new methods | When we want to have multiple inheritance |
| We extend it | We implement it |
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