网络编程发送信息

sendMessage.java

@@ -0,0 +1,18 @@
+package 发送接收数据;
+
+import java.io.IOException;
+import java.net.*;
+
+public class sendMessage {
+    public static void main(String[] args) throws IOException {
+        DatagramSocket ds=new DatagramSocket();
+        String str="你好啊";
+        byte[] bytes=str.getBytes();
+        InetAddress address=InetAddress.getByName("127.0.0.1");
+        int port=10086;
+        DatagramPacket dp=new DatagramPacket(bytes,bytes.length,address,port);
+        ds.send(dp);
+        ds.close();
+
+    }
+}