java.lang.InstantiationException: com.hdty.java1.Person at java.lang.Class.newI
Java 反射机制
@Test
public void test2() throws Exception{
Class clazz = Person.class;
//1.创建clazz对应的运行类Person类的对象
Person p = (Person)clazz.newInstance();
System.out.println(p);
Field f1 = clazz.getField("name");
f1.set(p,"LiuDeHua");
System.out.println(p);
}
一运行 就报标题的错误