import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Test {

	void readFile(String fromPath, String toPath) {

		File fromfile = new File(fromPath);
		File tofile = new File(toPath);

		FileInputStream inputStream = null;
		FileOutputStream outputStream = null;

		BufferedInputStream bufferedInputStream = null;
		BufferedOutputStream bufferedOutputStream = null;
		try {

			inputStream = new FileInputStream(fromfile);
			outputStream = new FileOutputStream(tofile);

		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		if (null != inputStream && null != outputStream) {

			bufferedInputStream = new BufferedInputStream(inputStream);
			bufferedOutputStream = new BufferedOutputStream(outputStream);
			byte[] b = new byte[1024];
			try {
				while (-1 != (bufferedInputStream.read(b))) {
					bufferedOutputStream.write(b);
				}
			} catch (IOException e) {
				e.printStackTrace();
			}

		}

		if (null != bufferedInputStream) {

			try {
				bufferedInputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if (null != bufferedOutputStream) {
			try {
				bufferedOutputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if (null != inputStream) {
			try {
				inputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if (null != outputStream) {
			try {
				outputStream.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	public static void main(String[] args) {
		new Test().readFile("d:/test.docx", "d:/test2.docx");

	}

}