Which three are possible mechanisms for performing this initialization code? (Choose three)

You are creating a new ISP page and you need to execute some code that acts when the- page is first executed, but only once. Which three are possible mechanisms for performing this initialization code? (Choose three)

A.
In the init method.

B.
In the jspInit method.

C.
In the constructor of the JSP’s Java code.

D.
In a JSP declaration, which includes an initializer block.

E.
In a JSP declaration, which includes a static initializer block.