大名鼎鼎的java动态脚本语言。已经通过了sun的认证

				class ClosureReturnWithoutReturnStatementTest extends GroovyTestCase {								    void testReturnValues() {				        def block = {x-> x > 5}								        def value = block.call(10)				        assert value								        value = block.call(3)				        assert value == false				    }								    void testReturnValueUsingFunction() {				        def block = {x-> someFunction(x) }				        				        def value = block.call(10)				        assert value								        value = block.call(3)				        assert value == false				    }				    				    def someFunction(x) {				        x > 5				    }				}