大名鼎鼎的java动态脚本语言。已经通过了sun的认证

				/**				 * @version $Revision: 1.4 $				 */				class Bytecode7Bug extends GroovyTestCase {								    void testDuplicateVariables() {				        if (true) {				            def a = 123				        }				        if (true) {				            def a = 456				        }				    }								    void testDuplicateVariablesInClosures() {				        def coll = [1]								        coll.each {				            def a = 123				        }				        coll.each {				            def a = 456				        }				    }				}