反射获取成员变量并使用的练习

package ClassTest.ClassFieldsTest;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;

/**
 * FileName: ReflectDemo02
 * Author:   lps
 * Date:     2022/4/11 18:49
 * Sign:刘品水 Q：1944900433
 */
public class ReflectDemo02 {
    public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException, NoSuchFieldException {
        Class<?> c = Class.forName("ClassTest.ClassTest01.Student");
        Constructor<?> con = c.getConstructor();
        Object obj = con.newInstance();
        System.out.println(obj);

        Field namefield = c.getDeclaredField("name");
        namefield.setAccessible(true);
        namefield.set(obj,"刘品水");
        System.out.println(obj);

        Field agefield = c.getDeclaredField("age");
        agefield.setAccessible(true);
        agefield.set(obj,21);
        System.out.println(obj);

        Field adressfield = c.getDeclaredField("adress");
        adressfield.setAccessible(true);
        adressfield.set(obj,"南京");
        System.out.println(obj);

    }
}