Forward reference

[Michael Angstadt]

class A{
  int length = 0;
  //double area = length * width; //Not Ok.  Illegal forward reference
  double area = length * this.width; //Ok, but width has default value 0
  int width = 10;
}

YES THIS MAKES TOTAL SENSE. GO SUN.

[Henry Wong]

Michael Angstadt wrote:YES THIS MAKES TOTAL SENSE. GO SUN.

Yea. The compiler is not very good in this regard. It can be tricked easily by using a reference.

Henry

[Michael Angstadt]

It just seems like it would make more sense just to not allow a field to be used at all until it is declared. But who knows.

[Jesper de Jong]

The Java programming language was originally designed to be appealing to C++ programmers, and so it inherited large parts of its syntax and semantics from C++, where it probably works in a similar way.

[Ninad Kulkarni]

Hi Michael,
You can find forward reference in JLS. See JLS