Copying One File to Another : FileInputStream « File Input Output « Java

Copying One File to Another



public class Main {
  public static void main(String[] argv) throws Exception {
    copy(new File("src.dat"), new File("dst.dat"));


  static void copy(File src, File dst) throws IOException {
    InputStream in = new FileInputStream(src);
    OutputStream out = new FileOutputStream(dst);

    byte[] buf = new byte[1024];
    int len;
    while ((len = > 0) {
      out.write(buf, 0, len);


Related examples in the same category

1.Copy a file
2.Read file using FileInputStream
3.Skip n bytes while reading the file using FileInputStream
4.Copying One File to Another with FileChannel
5.Read bytes and display their hexadecimal values.
6.Reading a File into a Byte Array: reads the entire contents of a file into a byte array
7.Use Java NIO to Copy File
8.Read one byte from a file
9.Read file character by character
10.Count characters with FileInputStream
11.Read and copy with FileInputStream and FileOutputStream
12.Copy a file with FileOutputStream and FileInputStreamCopy a file with FileOutputStream and FileInputStream
13.Read file in byte array using FileInputStream
14.Display file contents in hexadecimal
15.Resettable File InputStream