import java.io.*;

public class X {

  public static void copy(String from, String to)throws IOException{

    InputStream inFile = null;
    OutputStream outFile = null;
    try {

      inFile = new FileInputStream(from);
      outFile = new FileOutputStream(to);

      int length = inFile.available();
      byte[] bytes = new byte[length];
      inFile.read(bytes);
      outFile.write(bytes);         
    } finally {
      inFile.close();
      outFile.close();
    }
  }
  public static void copyBuf(String from, String to)throws IOException{

    InputStream in = null;
    OutputStream out = null; 
    InputStream inFile = null;
    OutputStream outFile = null;
    try {

      inFile = new FileInputStream(from);
      in = new BufferedInputStream(inFile);
      outFile = new FileOutputStream(to);
      out = new BufferedOutputStream(outFile);

      int length = in.available(); 
      byte[] bytes = new byte[length];
      in.read(bytes);
      out.write(bytes);         
    } finally {
      in.close();
      out.close();
    }
  }

  public static void main(String[] args) {
    try {
      long l = System.currentTimeMillis();
      copy(args[0], args[1]);
      System.out.println("Time = "+ (System.currentTimeMillis()-l));
      l = System.currentTimeMillis();
      copyBuf(args[0], args[1]);
      System.out.println("Buf Time = "+ (System.currentTimeMillis()-l));
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}