what is a delegate? what it is used for?
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Answer Posted / cool
Delegate is a strong type function pointer and it passes the
method signature for the class and class that has this
signature can use this delegates.
This is similar to Pointers in C and C++.
If we use this delegates for single method then this is
single case and if the method declared to more than one
method then this is called as multicast delegate object
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