code: static String getClassPathName(Class<?> c) {
  		String strClassFullName = c.getName();
  
  		StringTokenizer st = new StringTokenizer(strClassFullName, ".");
  		StringBuffer sb = new StringBuffer();
  		sb.append(st.nextToken());
  
  		while (st.hasMoreTokens()) {
  			sb.append("/");
  			sb.append(st.nextToken());
  		}
  
  		sb.append(".class");
  		return sb.toString();
  	}
docs: 将指定类的类名中所有.替换为/，并在后面补上.class