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Client

 Packagecn.qianfeng.kaoti03;ImportJava.io.BufferedReader;Importjava.io.IOException;ImportJava.io.InputStreamReader;ImportJava.io.PrintStream;ImportJava.net.Socket;classReceivesocketImplementsRunnable {PrivateSocket S;  PublicReceivesocket (Socket s) {Super();  This. S =s; } @Override Public voidrun () {//TODO auto-generated Method StubBufferedReader br =NULL; Try {             while(true) {br=NewBufferedReader (NewInputStreamReader (S.getinputstream ())); String Line=Br.readline (); if(Line! =NULL) {System.out.println (line); }            }        } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); } finally {            if(BR! =NULL) {                Try{br.close (); } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }            }        }    }}classSendsocketImplementsRunnable {PrivateSocket S;  PublicSendsocket (Socket s) {Super();  This. S =s; } @Override Public voidrun () {//TODO auto-generated Method StubBufferedReader br =NULL; Try {             while(true) {br=NewBufferedReader (NewInputStreamReader (system.in)); PrintStream PS=NewPrintStream (S.getoutputstream (),true); String Line=Br.readline (); Ps.println ("A:" +Line ); }        } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); } finally {            if(BR! =NULL) {                Try{br.close (); } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }            }        }    }} Public classTestsocket { Public Static voidMain (string[] args) {Try{Socket s=NewSocket ("localhost", 8888); NewThread (NewSendsocket (s)). Start (); NewThread (NewReceivesocket (s)). Start (); } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }    }}

Service side

 Packagecn.qianfeng.kaoti03;ImportJava.io.BufferedReader;Importjava.io.IOException;ImportJava.io.InputStreamReader;ImportJava.io.PrintWriter;ImportJava.net.ServerSocket;ImportJava.net.Socket;classSendserversocketImplementsRunnable {PrivateSocket S;  PublicSendserversocket (Socket s) {Super();  This. S =s; } @Override Public voidrun () {//TODO auto-generated Method StubBufferedReader br =NULL; PrintWriter PS=NULL; Try {             while(true) {br=NewBufferedReader (NewInputStreamReader (system.in)); PS=NewPrintWriter (S.getoutputstream (),true); String Line=Br.readline (); if(Line! =NULL) {ps.println ("B:" +Line ); }            }        } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); } finally {            if(BR! =NULL) {                Try{br.close (); } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }            }        }    }}classReceiveserversocketImplementsRunnable {PrivateSocket S;  PublicReceiveserversocket (Socket s) {Super();  This, sb=s; } @Override Public voidrun () {//TODO auto-generated Method StubBufferedReader br =NULL; Try {             while(true) {br=NewBufferedReader (NewInputStreamReader (S.getinputstream ())); String Line=Br.readline (); if(Line! =NULL) {System.out.println (line); }            }        } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); } finally {            if(BR! =NULL) {                Try{br.close (); } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }            }        }    }} Public classTestserversocket { Public Static voidMain (string[] args) {Try{ServerSocket ss=NewServerSocket (8888); Socket s=ss.accept (); System.out.println (S.getinetaddress (). GetHostName ()+ "..... connected"); NewThread (NewSendserversocket (s)). Start (); NewThread (NewReceiveserversocket (s)). Start (); } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }    }}

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