网络编程实验报告.docx

Java课后作业（班级）指导教师:提交日期:以下为指导教师的评语及评分：课后作业（班级）指导教师：评分教师日期一、实验题目Java网络编程二、实验内容代码：importjava.io.*;.*;impoPtjavaiUtil.*;publicclassServerpublicstaticvoidmain(Stringargs)ServerSocketserver=null;ServerThreadthread;Socketyou=null;while(true)trySerVer=newSerVerSOCket(2010);)catch(IOE×ceptionel)SyStem.out.Println("正在监听”)；)trySyStem.out.printin("等待客户呼叫“)；you=server.accept();System.out.println("客户的地址：”+you.getInetAddress();)catch(IOE×ceptione)SyStem.out.println("正在等待客户“)；)if(you!=null)newServerThread(you).start();)classServerThreadextendsThreadSocketsocket;DataOutputStreamout=null;DataInputStreamin=null;Strings=null;ServerThread(Sockett)socket=t;try(out=newDataOutputStream(socket.getutputstream();in=newDataInputStream(socket.getInputStream();catch(IOExceptione)publicvoidrun()while(true)try(doublea=in.readDouble();doubleb=in.readDouble();doublec=in.readDouble();if(a+b<=ca+c<=bb+c<=a)doublearea="l;out.writeDouble(area);)elsedoublep=(a+b+c)2;doubleA=(p*(p-a)*(p-b)*(p-c);doublearea=Math.sqrt（八）;out.writeDouble(area);)catch(IOExceptione)SyStem.out.Println("客户离开")；return;)DriVatedOUbIeSart(doubleCI)return0;)importjava.io.*;publicclassReadimplementsRunnableDataInputStreamin;publicvoidSetDataInputStream(DataInputStreamin)this.in=in;)publicvoidrun()doubleresult=0;while(true)try(result=in.readDouble();if(result<0)System.OUt.printIn("你输入的三条边长不能组成三角形”)；System.OUt.printin(',重新输入三角形的三条边长(放弃请输入N)：")；)elseSystem.out.println("三角形的面积为："+result);SyStem.out.printin("输入三角形的三条边长(放弃请输入N)：")；)catch(IOExceptione)SyStem.out.Println("与服务器己断开"+e);break;)importjava.io.*;.*;importjava.util.*;publicclassclientpublicstaticvoidmain(Stringargs)Scannerscanner=newScanner(System.in);Socketmysocket=null;DataInputStreamin=null;DataOutputStreamout=null;ThreadreadData;Readread=null;try(mysocket=newSocket();read=newRead();readData=newThread(read);System.OUt.print("请输入服务器的IP地址:");StringIP=Scanner.nextLine();System.out.Print("请输入端口号：”)；intport=scanner.nextlnt();if(mysocket.isConnected()elseInetAddressaddress=InetAddress.getyne(IP);InetSocketAddresssocketAddress=newInetSOCketAddr'ess(address,port);mysocket.connect(SocketAddress);in=newDataInputStream(mysocket.getInputStream();out=newDataOutputStream(mysocket.getOutputStream();read.SetDataInputStream(In);readData.start();)catch(Exceptione)SyStem.out.print("服务器已经断开"+e);)SyStem.out.PrintIn("请输入三角形的三条边长(放弃请输入N)：");while(scanner.hasNext()doublea=0;doubleb=0;doublec=0;try(a=scanner.nextDouble();b=scanner.nextDouble();c=scanner.nextDouble();)catch(InputMismatChExceptionexp)System.exit(0);)try(out.WriteDouble(a);out.writeDouble(b);out.WriteDouble(c);)catch(Exceptione)运行结果：