public void getFieldMethod() {
		try {
			Class<?> clazz = Class.forName("com.rock.reflect.User");
			
			Field[] fields = clazz.getDeclaredFields();
			for(Field field:fields) {
				System.out.println("Field:"+field);
			}
			
			Method[] methods = clazz.getDeclaredMethods();
			for(Method method:methods) {
				System.out.println("Method:"+method);
			}
			
			Constructor[] cons = clazz.getConstructors();
			for(Constructor con:cons) {
				System.out.println("Constructor:"+con);
			}
			
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
	}