1) The following delegate: delegate string Foo(int bar1, int bar2) Which of the following is equivalent to the Foo delegate? a) Func b) Func c) Action d) Action

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Question

1) The following delegate:

delegate string Foo(int bar1, int bar2)

Which of the following is equivalent to the Foo delegate?

a) Func<string, int, int>
b) Func<int, int, string>
c) Action<int, int, string>
d) Action<string, int, int>
 
2) Which of the following statements are syntactically correct?  (There are multiple correct answers. Please select all of them.)

a) Func<int,int> foo = x => x * x;
b) Func<int,int> foo = Square(int x) { return x * x; };
c) Func<int,int> foo = (int x) => { return x * x; };
d) Func<int,int> foo = delegate(int x) { return x * x; };
e) Func<int,int> foo = (int x) => return x * x;
f) Func<int,int> foo = (int x) => x * x;
g) Func<int,int> foo = (int x) { return x * x; };
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