第一个是Server。类名是:Tcpsocket
package **;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class TcpServer {
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
ServerSocket ss=new ServerSocket(3000);
Socket s=ss.accept();
//s.getInputStream();
OutputStream os=s.getOutputStream();
PrintWriter pw=new PrintWriter(os);
pw.println("Hello world!哈喽啊。");
pw.close();
os.close();
s.close();
ss.close();
}
}
第二个是Client。类名是TcpClient
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
public class TcpClient {
/**
* @param args
* @throws IOException
* @throws UnknownHostException
*/
public static void main(String[] args) throws UnknownHostException, IOException {
Socket s=new Socket("127.0.0.1",3000);
//亦可使用 new Socket("127.0.0.1",3000);
InputStream is=s.getInputStream();
BufferedReader br=new BufferedReader(new InputStreamReader(is));
String str=br.readLine();
System.out.println(str+"hello");
br.close();
is.close();
s.close();
}
}
执行顺序是先运行Server在运行Client 然后Client向server发送信息。