(以下)がclass
ありますが、コードをコンパイルしようとすると、class
is notというエラーが表示されますabstract
。
これが何を意味し、何を別の方法で行う必要があるかを誰かが説明できますか?
package huntermessenger;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.util.Scanner;
public class HunterClient implements Runnable {
private static final String SERVER_IP = "127.0.0.1";
private static final int SERVER_PORT = 5000;
Scanner scanner = new Scanner(System.in); //to read text from the console
Socket socket = null;
public void Run() {
try {
socket = new Socket(SERVER_IP, SERVER_PORT);
System.out.println("Connected to server");
}
catch (Exception ex) {
System.out.println("Error connecting to server: " + ex.getMessage());
}
ObjectInputStream in = null;
ObjectOutputStream out = null;
while (true) {
try {
if (out == null) {
out = new ObjectOutputStream(socket.getOutputStream());
}
//read a string
System.out.println("Enter a message: ");
String str = scanner.next();
//send it to server
out.writeObject(new Message(str));
out.flush();
//get the reply from the server
if (in == null) {
in = new ObjectInputStream(socket.getInputStream());
}
Message message = (Message) in.readObject();
System.out.println("Server said: " + message.getMessage());
}
catch (Exception ex) {
System.out.println("Error: " + ex);
}
}
}
}