Possible Duplicate:
Why are interface method invocations slower than concrete invocations?
I was going through a link describing difference between interface and abstract class. http://javapapers.com/core-java/abstract-and-interface-core-java-2/difference-between-a-java-interface-and-a-java-abstract-class/
There is one difference mentioned as below
In comparison with java abstract classes, java interfaces are slow as it requires extra indirection.
Can someone please explain this point?
