public static void cp(String srcPath, String dstPath) {
		FileChannel in = null;
		FileChannel out = null;
		FileInputStream inStream = null;
		FileOutputStream outStream = null;
		try {
			inStream = new FileInputStream(srcPath);
			outStream = new FileOutputStream(dstPath);
			in = inStream.getChannel();
			out = outStream.getChannel();
			in.transferTo(0, in.size(), out);
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (inStream != null)
					inStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
			try {
				if (in != null)
					in.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
			try {
				if (outStream != null)
					outStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
			try {
				if (out != null)
					out.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}