+++ /dev/null
-
-
-package test.java.semantics;
-
-import java.util.List;
-
-class instance_of
-{
- public instance_of() {}
-
- public Object cogitate() {
- return null;
- }
-
- public static void main(String s[]) throws Exception
- {
- // we are just asserting that it is safe to do instanceof on an object that is null.
- // let's test that theory.
- instance_of tony = new instance_of();
- Object fred = tony.cogitate(); // will produce null.
- if (fred instanceof List<?>) {
- throw new Exception("that should not have happened!");
- } else {
- System.out.println("told us null is not an instance of List, which is correct.");
- }
-
- }
-
-}
\ No newline at end of file