Treflection03

package reflectionZ;

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

public class Treflection03
{
    public static void main(String[] args) throws Exception
    {
        // 第16课
        // getFields 和 getField
        
        Class<?> clazz1 = Class.forName("reflectionZ.Cat");
        
        // 通过Class对象来得到构造函数
        Constructor<?> c2 = clazz1.getConstructor(String.class, int.class);
        Object obj = c2.newInstance("小猫咪", 1);
        
        Field field = clazz1.getField("FstrName");
        //field.getModifiers(); // 返回修饰符
        String strName = (String)field.get(obj);
        System.out.println("strName : "+strName);
        
        Field field02 = clazz1.getDeclaredField("Fstr1");
        field02.setAccessible(true); // 暴力访问
        String str1 = (String)field02.get(obj);
        System.out.println("str1 : "+str1);
        
        // 这里看出来，反射机制 对于属性的set/get 貌似不是通过 setter/getter方法...
        field.set(obj, "XiaoMaoMi");
        strName = (String)field.get(obj);
        System.out.println("strName : "+strName);
    }
}