大名鼎鼎的java动态脚本语言。已经通过了sun的认证

				/**				 * @version $Revision: 1.5 $				 */				class Groovy252_Bug extends GroovyTestCase {				    				    def count = 0				    				    void testBug() {				        def value = f()				        assert value == null				        				        value = g()				        assert value == null				        				        value = h()				        assert value == null				    }				    				    				    def f() {				         if (count++ == 5)				            return null				         else				            return null				    } 				    				    def g() {				         ++count				         return null				    } 				    				    def h() {				         ++count				         return null				    } 				}