Console类?
这是书上的一个例子,我javac EchoClient的时候提示 cannot resolve symble
symble: variable Console 请高手帮帮忙
import java.net.*;
import java.io.*;
public class EchoClient
{ public static void main(String args[])
{ try { Socket connection = new Socket(args[0],7);
System.out.println("Connection established:");
DataInputStream in = new DataInputStream(connection.getInputStream());
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
String line = new String("");
while(!line.toUpperCase().equals(".QUIT"))
{ System.out.println("Enter string:");
line = Console.readString();
System.out.println("\t Sending string to server");
out.writeUTF(line);
System.out.println("\t Waiting for server response...");
line = in.readUTF();
System.out.println("Received:"+line);
}
in.close();
out.close();
connection.close();
}
catch(UnknownHostException uhe){System.out.println("Unknown host:"+args[0]);}
catch(IOException ioe){System.out.println("IOEception:"+ioe);}
}
}