Groovy动态语言 运行在JVM中的动态语言 可以方便的处理业务逻辑变化大的业务

				package groovy.bugs
				
				class SubscriptOnStringArrayBug extends TestSupport {
				
				    void testArraySubscript() {
				        def array = getMockArguments()
				 
				        assert array[1] == "b"
				        
				        array[0] = "d"
				        
				        assert array[0] == "d"
				        
				        println("Contents of array are ${array.inspect()}")
				    }
				    
				    void testRobsTestCase() {
				        def array = "one two three".split(" ")
				        
				        assert array[1] == "two"
				    }
				}