我正在写一些代码,但我一直收到这个错误,这与我调用 network.addstation 的位置有关
这是代码,网络方法中还有其他方法,但我想我只显示一个,但是当您调用任何方法时它会出现。任何帮助将不胜感激。谢谢。
public class MyNetworkReader implements NetworkReader {
Network network = null;
@Override
public Network read(InputStream stream) {
Scanner scan = null;
scan = new Scanner(stream);
while (scan.hasNext()) {
String fromStation = scan.next();
if (!fromStation.equalsIgnoreCase("connection:")) ;
network.addStation(fromStation)
System.out.println(fromStation);
}
}
return network;
}
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
public class MyNetwork implements Network {
HashMap<String, ArrayList> stations = new HashMap<String, ArrayList>();
public void addStation(String station) {
stations.put(station, null);
}
}