大名鼎鼎的java动态脚本语言。已经通过了sun的认证

								/**				 * Invoke normal methods first: if no statically typed method exist, use invokeMethod().				 *				 * @author Guillaume Laforge				 */				class InvokeNormalMethodsFirstTest extends GroovyTestCase {								    void testPrintln() {				        println "call global println function"				    }								    void testStaticMethodOnJdkObject() {				        def myString = " static method "				        def newString = myString.trim()								        assert newString == "static method"				    }								    void testCallClosure() {				        def clos = { msg -> msg + " is Groovy" }				        def str = clos("Guillaume")								        assert str == "Guillaume is Groovy"				    }								    void testCallNormalMethodFromAGroovyDefinedClass() {				        def p = new Printer()				        def str = "Guillaume"				        def result = p.returnSelf(str)								        assert result == str				    }								    void testCallNormalMethodFirstFromWackyObject() {				        def w = new Wacky()				        def str = "Groovy"				        def staticResult = w.returnSelf(str)				        def invokeResult = w.nonExistingMethod(str)								        assert staticResult == str				        assert invokeResult == "invokerMethod call"				    }				}								class Printer {				    String returnSelf(msg) {				        return msg				    }				}								class Wacky {				    String returnSelf(msg) {				        return msg				    }								    Object invokeMethod(String name, Object args) {				        return "invokerMethod call"				    }				}