Alguem pode me ajudar!! a Compilar
– Versão servidora ? nome do arquivo TCPServer.java
import java.io.;
import java.net.;
class TCPServer {
public static void main(String args[]) throws Exception
{
String clientSentence;
String capitalizedSentence;
ServerSocket welcomeSocket = new ServerSocket(6789);
while(true) {
Socket connectionSocket = welcomeSocket.accept();
BufferedReader inFromClient =
new BufferedReader(new
InputStreamReader(connectionSocket.getInputStream()));
DataOutputStream outToClient =
new DataOutputStream(connectionSocket.getOutputStream());
clientSentence = inFromClient.readLine();
capitalizedSentence = clientSentence.toUpperCase() + ‘\n’;
outToClient.writeBytes(capitalizedSentence);
System.out.println("FROM CLIENT: " + clientSentence);
}
}
}
– Versão Cliente ? nome do arquivo TCPClient.java
import java.io.;
import java.net.;
class TCPClient {
public static void main(String args[]) throws Exception
{
String sentence;
String modifiedSentence;
BufferedReader inFromUser = new BufferedReader(new InputStreamReader(System.in));
Socket clientSocket = new Socket(“127.0.0.1”, 6789);
DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
sentence = inFromUser.readLine();
outToServer.writeBytes(sentence + ‘\n’);
modifiedSentence = inFromServer.readLine();
System.out.println("FROM SERVER: " + modifiedSentence);
clientSocket.close();
}
}