private void travelDir(String filepath) {        String threadName = Thread.currentThread().toString();        logger.info("TargetDir:" + threadName + "==>" + filepath);        File dir = new File(filepath);        logger.info("dir.exists():" + threadName + "==>" + dir.exists());        if (dir.exists()) {            logger.info("dir.isDirectory():" + threadName + "==>"                + dir.isDirectory());            File[] files = dir.listFiles();            for (File file : files) {                logger.info("file.getAbsolutePath():" + threadName + "==>"                        + file.getAbsolutePath());            }        }    }

 

public class CalcutateTest {    @Test    public void testAdd() {        Calcutate cal = new Calcutate();        Class
     
       c = Calcutate.class;// 获得class类        try {            Method method = c.getDeclaredMethod("add", new Class[] { int.class,                    int.class });// 获得method.注意,这里不能使用getMethod方法,因为这个方法只能获取public修饰的方法..            method.setAccessible(true);// 这个设置为true.可以无视java的封装..不设置这个也无法获取这个Method            Object result = method.invoke(cal, new Object[] { 2, 10 });            Assert.assertEquals("Must equals.",12, result);// 这里自动拆箱..        } catch (Exception e) {            e.printStackTrace();        }            }}