Which of the Following Code Snippets Can Be Used for Defining

Which of the following code snippets can be used for defining a method that does not return a value? The method should accept a string and then display the string followed by "And that's all folks!" on a separate line.

A) public static String displayMessage(String str)
{
System.out.println(str) ;
System.out.println("And that's all folks!") ;
}
B) public static void displayMessage(String str)
{
System.out.println(str) ;
System.out.println("And that's all folks!") ;
}
C) public static void displayMessage(String str)
{
System.out.println(str) ;
System.out.println("And that's all folks!") ;
Return str;
}
D) public static void displayMessage()
{
System.out.println(str) ;
System.out.println("And that's all folks!") ;
}