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;
				
				/**
				 * Arbitrary holder for Java Methods to be called by Groovy TestCases.
				 * @author Dierk Koenig
				 */
				
				public class SomeClass {
				    // currently not supported to be called from Groovy
				    public String[][] anArrayOfStringArrays(){
				        return new String[][]{{"whatever"}};
				    }
				    public Object[] anArrayOfStringArraysWorkaround(){
				        return new Object[]{ new String[]{"whatever",null}};
				    }
				}