public class TestReflection {        /**     * Reflect test     * */    public static void main(String[] args) {           ReportObject rObject = new ReportObject();           Class rObjectClass = rObject.getClass();           try {               Method method = rObjectClass.getDeclaredMethod("setT1", String.class);                method.invoke(rObject,"Set value here....");               System.out.println("rObject.T1 change="+rObject.getT1()); // 检测执行结果                    } catch (Exception e) {            e.printStackTrace();        }     }}public class ReportObject {    //Products attribute    String t1;        public String getT1() {        return t1;    }    public void setT1(String t1) {        this.t1 = t1;    }    }