Compiler improperly reports ambiguous method

Name: mc57594 Date: 03/12/97


class A
{
   public void method1( int x )
   { System.out.println( "A.method1 (int) : " + x );
   }

   public static void main( String[] xArgs )
   { ASub a1 = new ASub();
      a1.method1( 3 );
   }
}

--------------

class ASub extends A
{
   public void method1( long x )
   { System.out.println( "ASub.method1 (long) : " + x );
   }
}

--------------

Compiler produces error "Reference to method1 is ambiguous" when
compiling class A. According to section 15.11.2.2 of the
Language Specification the "most specific" method should be
chosen. Since, by method invocation conversion, an "int"
argument can be converted to a "long" but a "long" cannot be
converted to an "int", the method (in class A) with the "int"
argument should be "more specific" and method1 should not be
ambiguous.


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