import java.io.*
import java.net.*
import java.applet.Applet
public class TalkServer{
public static void main(String args[]) {
try{
ServerSocket server=null
try{
server=new ServerSocket(4700)
}catch(Exception e) {
System.out.println("can not listen to:"+e)
}
Socket socket=null
try{
socket=server.accept()
}catch(Exception e) {
System.out.println("Error."+e)
}
String line
BufferedReader is=new BufferedReader(new InputStreamReader(socket.getInputStream()))
PrintWriter os=new PrintWriter(socket.getOutputStream())
BufferedReader sin=new BufferedReader(new InputStreamReader(System.in))
System.out.println("Client:"+is.readLine())
line=sin.readLine()
while(!line.equals("bye")){
os.println(line)
os.flush()
System.out.println("Server:"+line)
System.out.println("Client:"+is.readLine())
line=sin.readLine()
}
os.close()
is.close()
socket.close()
server.close()
}catch(Exception e){
System.out.println("Error:"+e)
}
}
}
Client端:
import java.io.*
import java.net.*
public class TalkClient {
public static void main(String args[]) {
try{
Socket socket=new Socket("127.0.0.1",4700)
BufferedReader sin=new BufferedReader(new InputStreamReader(System.in))
PrintWriter os=new PrintWriter(socket.getOutputStream())
BufferedReader is=new BufferedReader(new InputStreamReader(socket.getInputStream()))
String readline
readline=sin.readLine()//从系统标准输入读入一字符串
while(!readline.equals("bye")){
os.println(readline)
os.flush()
System.out.println("Client:"+readline)
System.out.println("Server:"+is.readLine())
readline=sin.readLine()//从系统标准输入读入一字符串
}
os.close()//关闭Socket输出流
is.close()//关闭Socket输入流
socket.close()//关闭Socket
}catch(Exception e) {
System.out.println("Error"+e)//出错,则打印出错信息
}
}
}
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