我剛剛嘗試實現我的第一個服務器,但Java似乎無法識別Try-with-resources塊中的ServerSocket構造函數。Java:ServerSocket ErrorMessage
以下代碼有什麼問題?
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
public class ServerSocket {
public static void main(String[] args) {
錯誤消息的Eclipse:
- 的ServerSocket(INT)的構造是不確定的
- 類型的ServerSocket是不可見的
- 的資源沒有實現AutoClosable
try (ServerSocket serverSocket = new ServerSocket(7777)) {
Socket clientSocket = serverSocket.accept();
InputStream in = clientSocket.getInputStream();
OutputStream out = clientSocket.getOutputStream();
DataInputStream dataIn = new DataInputStream(in);
DataOutputStream dataOut = new DataOutputStream(out);
String receivedMessage;
receivedMessage = dataIn.readUTF();
System.out.println("Server received from Client: " + receivedMessage);
dataOut.writeUTF(receivedMessage);
} catch (IOException e) {
e.printStackTrace();
}
}
}
你會得到什麼樣的錯誤? –
解決了。一個愚蠢的名字衝突是問題 – John