基础巩固 反射
Posted luke-wang
tags:
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publicclass Reflect {
publicstaticvoid main(String[] args) throws IntrospectionException, IllegalAccessException, IllegalArgumentException, InvocationTargetException{
Person person = new Person("cristal",22);
Class clazz = person.getClass();
Field[] fields = clazz.getDeclaredFields();
for(Field field : fields){
String key = field.getName();
PropertyDescriptor descriptor = new PropertyDescriptor(key,clazz);
Method method = descriptor.getReadMethod();
Object value = method.invoke(person);
System.out.println(key +":"+value);
}
}
}
class Person implements Serializable{
privatestaticfinallongserialVersionUID = -3273783136645942309L;//添加序列化会报错
private String name;
privateintage;
public Person(String name, inti) {
this.name = name;
this.age = i;
}
public String getName() {
returnname;
}
publicvoid setName(String name) {
this.name = name;
}
publicint getAge() {
returnage;
}
publicvoid setAge(intage) {
this.age = age;
}
}
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