线程通信

				import java.util.*;
				import java.io.*;
				public class Response implements Serializable{
					private String message;
					private boolean authenPass=false;
					private List effectedBooks=new ArrayList();
					// bookId of effectedBook
					
					public Response(String message){
						this.message=message;
					}
					
					public void addBook(String bookId){
						effectedBooks.add(bookId);
					}
					
					public void addMess(String message){
						this.message+=message;
					}
					
					public void setPass(boolean authenPass){
						this.authenPass=authenPass;
					}
					
					public boolean getPass(){
						return authenPass;
					}
					
					public String toString(){
						
						return "successful books:"+effectedBooks.toString()+"\n"+message;
						
					}
				}