socket send file

Client.java

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.net.Socket;


public class Client {
    public static void main(String[] args) throws Exception {
        Socket server = new Socket("192.168.1.100", 10000);
        File filename = new File("xxx.ppt");   
        FileOutputStream output = new FileOutputStream(filename);
        BufferedOutputStream b_output = new BufferedOutputStream(output);
        BufferedInputStream input = new BufferedInputStream(server.getInputStream());  
        int len;
        while((len = input.read()) != -1) {
            b_output.write(len);
        }
        input.close();
        b_output.close();
        server.close();
        System.out.println("end");
    }
}

Server.java

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.ObjectOutputStream.PutField;
import java.net.ServerSocket;
import java.net.Socket;

import javax.imageio.stream.FileImageOutputStream;
import javax.print.attribute.standard.MediaSize.Other;


public class Server {
    public static void main(String[] args) throws Exception {
        ServerSocket service = new ServerSocket(10000);
        File filename = new File("FT732-009.ppt");
        FileInputStream input = new FileInputStream(filename);
        BufferedInputStream b_input = new BufferedInputStream(input);
        Socket pc = service.accept();
        System.out.println(pc.getInetAddress());
        BufferedOutputStream output = new BufferedOutputStream(pc.getOutputStream());
        int len;
        while((len = b_input.read()) != -1) {
            output.write(len);
        }
        System.out.println("end");
        
        output.flush();
        output.close();
        input.close();
        pc.close();
        service.close();
    }
}