Why do I need parenthises around the print statement

I have the following code
class statictest
System.out.println("at top of class");
If I have this as is I get a compiler error. But If I put parethises around it as below it works just fine. Why is this. What is it doing ?
class statictest
{System.out.println("at top of class");}
thanks

By the way, the set of braces you put around your
print statement define what is call an initialization
block. This block is executed first when a class is
load. It is rarely used.
Be careful! The non-static initializer block is not executed when the class is loaded. It is executed immediately after the constructor call when an object is instantiated.
Conversely, the static initializer block does exhibit the behavior you describe, however, of executing as soon as the class is loaded.

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Why do I need parenthises around the print statement

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