String year = d.getYear()+1900+"";是什么意思,后面的""又是什么意思,1900是什么意思
public class Sender { Socket s; ObjectInputStream ois; ObjectOutputStream oos;
public Sender( String host, int port ) throws IOException{ s = new Socket(host,port); ois = new ObjectInputStream(s.getInputStream()); oos = new ObjectOutputStream(s.getOutputStream());
} public void sendObject(Object o) throws IOException{ oos.writeObject(o); } public static void main(String[] args){ try{ Sender sender = new Sender(args[0], Integer.parseInt(args[1])); sender.sendObject( new Integer(3000)); Thread.sleep(2000); }catch(Exception e){ e.printStackTrace(); } } }
{
Socket s;
ObjectInputStream ois;
ObjectOutputStream oos;
public Sender( String host, int port ) throws IOException{
s = new Socket(host,port);
ois = new ObjectInputStream(s.getInputStream());
oos = new ObjectOutputStream(s.getOutputStream());
} public void sendObject(Object o) throws IOException{
oos.writeObject(o);
} public static void main(String[] args){
try{
Sender sender = new Sender(args[0], Integer.parseInt(args[1]));
sender.sendObject( new Integer(3000));
Thread.sleep(2000);
}catch(Exception e){
e.printStackTrace();
}
}
}