简易聊天

				import java.sql.*;  //继承了java.util.Date
				import java.io.Serializable;
				import java.sql.Timestamp;
				
				//date.toLocaleString()方法has been deprecated
				class Message implements Serializable{
					String fromName;
					String toName;
					String msg="";
					Date date=null;		//是msg对应的时间
					String strdate; 	//date的字符串表示
					String strLocaledate;	//date的本地字符串表示
				
					private Message(String fromName,String toName){
						this.fromName=fromName;
						this.toName=toName;
					}//Message(String fromName,String toName)
				
					public Message(String fromName,String toName,String msg,long date){
						this(fromName,toName);
						this.msg=msg;
						this.date=new Date(date);
						this.strLocaledate=this.date.toLocaleString();
						this.strdate=this.date.toGMTString();
				
					}//public Message(String fromName,String toName,String msg,long date)
				
					public Message(String fromName,String toName,String msg,String date){
						this(fromName,toName);
						this.msg=msg;		
						this.date=new Date(Date.parse(date));
						this.strdate=this.date.toGMTString();
						this.strLocaledate=this.date.toLocaleString();
				
					}//public Message(String fromName,String toName,String msg,long date)
				
				
				
					public void setMsg(String msg){
						this.msg=msg;
					}
				
					public void setDate(long date){
						this.date=new Date(date);
					}
				
				
					public void setFromName(String fromName){
						this.fromName=fromName;
					}
				
				
					public String getfromName(){
						return fromName;
					}
				
					public String gettoName(){
						return toName;
					}
				
					public String getMsg(){
						return msg;
					}
				
				
					public Date getDate(){
						return date;
					}
				
				
				
					public String getstrDate(){
						return strdate;
					}
				
				
				
					public String getstrLocaleDate(){
						return strLocaledate;
					}
				
				
				/*********************下面两个方法用于对PublicMessage进行调试的**************************/
					public void display(){
						System.out.println("发送者:      "+fromName);
						System.out.println("接收者:      "+toName);
						System.out.println("信息内容:    "+msg);
						System.out.println("时间:        "+date.toLocaleString());
						//System.out.println("时间:        "+date.toGMTString());
					}//public void display()
				
				public static void main(String args[]){	
					new Message("SunMicrosystem","Java","Java is birthed at 1995.5.23",System.currentTimeMillis()).display();
				}//public static void main(String args[])
				
				/*********************上面两个方法用于对PublicMessage进行调试的**************************/
				
				}//class Message