服务器端的TCP
class ServiceSocket extends Thread{public void run(){ServerSocket serversocket=null;try {serversocket =new ServerSocket(7980);Socket socket= serversocket.accept();InputStream inputs = socket.getInputStream();byte[] buffer =new byte[1024];int tmp=0;while((tmp=inputs.read(buffer))!=-1){System.out.println(new String(buffer,0,tmp));}} catch (IOException e) {e.printStackTrace();}finally{try {serversocket.close();} catch (IOException e) {e.printStackTrace();}}客户端TCP
public static void mian(String[]args){ try {Socket socket=new Socket("192.168.1.104",7980);InputStream inpust =socket.getInputStream();byte[]buffer=new byte[1024];int tmp=0;while((tmp=inpust.read(buffer))!=-1){System.out.println(new String(buffer,0,tmp));}} catch (Exception e) {e.printStackTrace();}服务器端UDP
ublic class UDP服务器端 {class UDPThread extends Thread{public void run(){try {DatagramSocket socket=new DatagramSocket(7980);byte[] data=new byte[1024];//创建一个空的Datagrampcket对象DatagramPacket datagrampacket= new DatagramPacket(data, data.length);//使用receive方法接受客户端发送的数据socket.receive(datagrampacket);System.out.println(datagrampacket.getLength());} catch (Exception e) {e.printStackTrace();}}客户端UDP
public static void main(String[]args){try{//创建一个DatagramSocket对象DatagramSocket socket=new DatagramSocket(7980);//创建一个InetAddress对象InetAddress sercerAdderess=InetAddress.getByName("192.168.1.104");String str="hello";byte []data=str.getBytes();//创建一个DatagramPacket对象，并指定这个数据包要发送的网络当中的地址和端口号DatagramPacket packet=new DatagramPacket(data, data.length,sercerAdderess,7980);//调用socket的send方法 发送数据socket.send(packet);}catch(Exception e){
，接受失败等于打破完美的面具，接受失败等于放松自己高压的心理，
