public class TestReflect {

 public static  void main (String []args){

        String className="User";

        try {             Class  c=Class.forName(className);             Object o=c.newInstance();             Method  [] methods=c.getMethods();             for(Method method:methods){                   if ("getUser".equals(method.getName())){                       method.invoke(o);//执行getUser方法                   }             }

        } catch (Exception e) {

            e.printStackTrace();         }

    }

     class User{          private int id;          public void getUser(){              System.out.println("getuser");          }      } }