第一个网络通信例子

例子来自thinking in java

import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import java.util.Scanner;

public class SocketTest {

	public static void main(String[] args) {
		try {
			
			Socket s=new Socket("time-A.timefreq.bldrdoc.gov",13);
			try {
				InputStream inputStream=s.getInputStream();
				Scanner inScanner=new Scanner(inputStream);
				System.out.print("协调世界时：");
				while (inScanner.hasNextLine()) {
					String line=inScanner.nextLine();
					System.out.println(line);
					
				}
				
			} finally{
				s.close();
			}
			
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}

返回如下内容：

协调世界时：
55538 10-12-08 01:37:51 00 0 0 382.9 UTC(NIST) *