Why doesn't the class containing main have to be public?

Question

I declared the following class

class A { //not public
  public static void main(String args[]) {
     System.out.println(\"done\");
 }

When

Answer 1

When you declare a class private, you're not making it "invisible", and the same goes for your methods. Declaring a method private simply means it's not callable from outside your class. A static public method of a private class is publicly callable.