import java.lang.reflect.*;

/**
 * Description:
 * <br/>Copyright (C), 2008-2010, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */

class Person
{
	private String name;
	private int age;
	public String toString()
	{
		return "Person [ name:" + name + 
			" , age:" + age + " ]";
	}
}
public class FieldTest
{
	public static void main(String[] args) 
		throws Exception
	{
		//創(chuàng)建一個(gè)Person對(duì)象
		Person p = new Person();
		//獲取Person類對(duì)應(yīng)的Class對(duì)象
		Class<Person> personClazz = Person.class;
		//獲取Person類名為name的屬性
		//使用getDeclaredField，表明可獲取各種訪問(wèn)控制符的field
		Field nameField = personClazz.getDeclaredField("name");
		//設(shè)置通過(guò)反射訪問(wèn)該Field時(shí)取消訪問(wèn)權(quán)限檢查
		nameField.setAccessible(true);
		//調(diào)用set方法為p對(duì)象的指定Field設(shè)置值
		nameField.set(p , "Yeeku.H.Lee");
		//獲取Person類名為age的屬性
		Field ageField = personClazz.getDeclaredField("age");
		//設(shè)置通過(guò)反射訪問(wèn)該Field時(shí)取消訪問(wèn)權(quán)限檢查
		ageField.setAccessible(true);
		//調(diào)用setInt方法為p對(duì)象的指定Field設(shè)置值
		ageField.setInt(p , 30);
		System.out.println(p);
	}
}