- package com.company.section3;
- /**
- * @author cbf4Life cbf4life@126.com
- * I'm glad to share my knowledge with you all.
- */
- public interface ILetterProcess {
- //首先要写信的内容
- public void writeContext(String context);
- //其次写信封
- public void fillEnvelope(String address);
- //把信放到信封里
- public void letterInotoEnvelope();
- //然后邮递
- public void sendLetter();
- }