// Lang_11 [dot operator].nova


// The application class.
class DotOperatorApp
{
   // Application class's "main" function.
   public static void main( String[] args )
   {
      // Create an instance of class "A".
      A a = new A( );

      // Call the "B" class methods.
      a.getB( ).method1( );
      B.method2( );

      // Output the "B" class attributes.
      Stream.writeLine( Integer.toString( a.getB( ).i ) );
      Stream.writeLine( Integer.toString( B.s ) );

      // Assign to the "B" class attributes.
      a.getB( ).i = 123;
      B.s = 321;

      // Output the "B" class attributes.
      Stream.writeLine( Integer.toString( a.getB( ).i ) );
      Stream.writeLine( Integer.toString( B.s ) );
   }
}


class A
{
   // Instance attribute.
   public B b;


   // Constructor.
   public A( )
   {
      Stream.writeLine( "A.A( ) called." );

      // Create an instance of class "B".
      b = new B( );
   }

   // Return the "b" instance attribute.
   public B getB( )
   {
      return b;
   }
}


class B
{
   // Instance attribute.
   public int i;

   // Static attribute.
   public static int s;


   // Constructor.
   public B( )
   {
      Stream.writeLine( "B.B( ) called." );

      // Initialize the attributes to zero.
      i = 0;
      s = 0;
   }

   // Instance method.
   public void method1( )
   {
      Stream.writeLine( "B.method1( ) called." );
   }

   // Static method.
   public static void method2( )
   {
      Stream.writeLine( "B.method2( ) called." );
   }
}