java反射(三)

import java.lang.reflect.Method;

public class TestPrivate {
	public static void main(String[] args) throws Exception {
		Private p = new Private();
		Class classType = p.getClass();
		Object obj = classType.newInstance();
		Method method = classType.getDeclaredMethod("echo",
				new Class[] { String.class });
		method.setAccessible(true);
		Object value = method.invoke(obj, new Object[] { "Tom" });
		System.out.println((String) value);
	}
}

class Private {
	private String echo(String message) {
		return "Hello " + message;
	}
}