package test;

public class Outer {
	public class Inner{  
		public static final String aa="cc";
	}  

}

package test;

import java.lang.reflect.Field;

public class Reflection {


	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			Class c = null;
			//getDeclaredClasses獲得所有內部類
//			Class[] cs = Outer.class.getDeclaredClasses();
//			
//			for(int i = 0 ; i < cs.length; i++){
//				
//				if(cs[i].getSimpleName().equals("Inner")){
//					c = cs[i];
//					break;
//				}
//			}
			c = Outer.class.forName("test.Outer$Inner");
			Field f = c.getDeclaredField("aa");
			f.setAccessible(true);
			System.out.println(f.get(null));
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
	}

}