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Write file with FileChannel

import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; public class Util{    public static final int BUFFER_SIZE = 4096;     public void write(File dest, InputStream in) {         FileChannel channel = null;         try {           channel = new FileOutputStream(dest).getChannel();         } catch (FileNotFoundException e) {           System.out.println(e);         }         try {           int byteCount = 0;           byte[] buffer = new byte[BUFFER_SIZE];           int bytesRead = -1;           while ((bytesRead = in.read(buffer)) != -1) {             ByteBuffer byteBuffer = ByteBuffer.wrap(buffer, 0, bytesRead);             channel.write(byteBuffer);             byteCount += bytesRead;           }         } catch (IOException e) {           System.out.println(e);         } finally {           try {             if (channel != null) {               channel.close();             }             if (in != null) {               in.close();             }           } catch (IOException e) {             e.printStackTrace();           }         }       }  }