Using a FileDescriptor from getFD() and creating a FileInputStream from FileDescriptor : FileInputStream « File « Java Tutorial






import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.IOException;
public class MainClass {
  public static void main(String[] a) {
    File aFile = new File("C:/myFile.text");
    FileInputStream inputFile1 = null; 
    FileDescriptor fd = null; 
    try {
      inputFile1 = new FileInputStream(aFile);
      fd = inputFile1.getFD(); 
    } catch (IOException e) {
      e.printStackTrace(System.err);
      System.exit(1);
    }
    FileInputStream inputFile2 = new FileInputStream(fd);
  }
}








11.8.FileInputStream
11.8.1.FileInputStream
11.8.2.Create FileInputStream and read, display data
11.8.3.Getting FileChannel from FileInputStream
11.8.4.Creating File Input Streams from file name
11.8.5.Creating FileInputStream from File object
11.8.6.Using a FileDescriptor from getFD() and creating a FileInputStream from FileDescriptor
11.8.7.Constructing FileInputStream to read from a Text File
11.8.8.Skip n bytes while reading the file using FileInputStream
11.8.9.Copy a file with read(byte[] data) and write(byte[] data)
11.8.10.Reading a Binary File
11.8.11.Reading Mixed Data from a File
11.8.12.Read one byte from a file
11.8.13.Read file character by character
11.8.14.Reading a File into a Byte Array: reads the entire contents of a file into a byte array
11.8.15.Read bytes and display their hexadecimal values.
11.8.16.Reading UTF-8 Encoded Data
11.8.17.Reading into a Large Buffer through FileChannel
11.8.18.Display file contents in hexadecimal