枚举和反射

package cn.jiemoxiaodi_enum;

public class School {
    public static School s1=new School("北1京", "1sdfds");
    public static School s2=new School("北京2", "2sdfds");
    public static School s3=new School("北京3", "3sdfds");
    
    
    private String name;
    private String teacher;

    @Override
    public String toString() {
        return "School [name=" + name + ", teacher=" + teacher + "]";
    }

    private School() {
        super();
    }

    private School(String name, String teacher) {
        super();
        this.name = name;
        this.teacher = teacher;
    }
}

package cn.jiemoxiaodi_enum;

public enum School2 {

    shanghai("比较", "sdf"), bj("3", "44"), sz("55", "dfd"), hz("sdf", "sdf");

    private School2(String name, String ordinal) {
    }
    
}

package cn.jiemoxiaodi.reflect;

import java.io.FileInputStream;
import java.util.Properties;

import org.junit.Test;

public class UserDaoTest {

    /**
     * @param args
     * @throws Exception 
     * 
     */
    @Test
    public void testUserDao() throws Exception {
        
        Properties pro=new Properties();
        pro.load(new FileInputStream("src/cn/jiemoxiaodi/reflect/beanname.properties"));
        
        String str=pro.get("UserDao").toString();
        Class c1 = Class.forName(str);
        UserDao ud=(UserDao) c1.newInstance();
        ud.save();
    }
}