Name: ngR10089 Date: 05/24/2001



JLS, 2nd Ed., 7.5.1 Single-Type-Import Declaration, says:

   "A single-type-import declaration imports a single type by giving its
    canonical name, making it available under a simple name in the class
    and interface declarations of the compilation unit in which the single-type
    import declaration appears.

         SingleTypeImportDeclaration:
             import TypeName ;

    The TypeName must be the canonical name of a class or interface type;
    a compile-time error occurs if the named type does not exist."

 
Java compiler jdk1.4.0beta-b65 permits to import class given by its
non-canonical name.

> java -version
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b65)
Java HotSpot(TM) Client VM (build 1.4.0-beta-b65, mixed mode)

> javac -d . cls.java test.java
> java -Xfuture p1.test
6
class p2.cls2$icl
>

Note, that when the units are compiled in another order, javac reports
errors.

>jac -d . test.java cls.java
test.java:4: cannot resolve symbol
symbol : class icl
location: class p2.cls
import p2.cls.icl;
              ^
test.java:11: cannot resolve symbol
symbol : class icl
location: class p1.test
icl c = new p2.cls().new icl();
                ^
test.java:13: cannot resolve symbol
symbol : class icl
location: class p1.test
out.println(icl.class);
                            ^
3 errors
>

-----------------test.java------------------
package p1;
 
import java.io.PrintStream;
import p2.cls.icl;

public class test {
public static void main(String args[]) {
System.exit(run(args, System.out) + 95/*STATUS_TEMP*/);
}
public static int run(String args[],PrintStream out) {
icl c = new p2.cls().new icl();
out.println(c.i);
out.println(icl.class);
return 0;
}
}
----------------------------------------------------
-----------------cls.java------------------
package p2;
 
public class cls extends cls2 {
 
}
class cls2 {
public class icl {
public int i = 6;
}
}
----------------------------------------------------

======================================================================