《Java ME手机应用开发大全》源码 書籍內容簡介： http://www.china-pub.com/410

				//定义代表发送的消息类
				public class Message
				{
				    //定义收件人字段
				    private String to;
				    //定义邮件主题字段
				    private String subject;
				    //定义邮件内容字段
				    private String content;
				    //默认构造函数
				    public Message()
				    {
				
				    }
				     //带参数的构造函数
				    public Message(String to, String subject, String content)
				    {
				        this.to = to;
				        this.subject = subject;
				        this.content = content;
				    }
				
				    //属性字段的get和set方法
				    public String getContent()
				    {
				        return content;
				    }
				
				    public void setContent(String content)
				    {
				        this.content = content;
				    }
				    public String getSubject()
				    {
				        return subject;
				    }
				
				    public void setSubject(String subject)
				    {
				        this.subject = subject;
				    }
				
				    public String getTo()
				    {
				        return to;
				    }
				    public void setTo(String to)
				    {
				        this.to = to;
				    }
				    
				    public String toString()
				    {
				        return to+subject+content; 
				    }
				}