Read one byte from a file : FileInputStream « File Input Output « Java






  1. Java
  2. File Input Output
  3. FileInputStream

Read one byte from a file

   

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class Main {
  public void readOneByte() throws FileNotFoundException {
    FileInputStream file = null;
    byte x = -1;
    try {
      file = new FileInputStream("fileName");
      x = (byte) file.read();
    } catch (FileNotFoundException f) {
      throw f;
    } catch (IOException i) {
      i.printStackTrace();
    } finally {
      try {
        if (file != null) {
          file.close();
        }
      } catch (IOException e) {
      }
    }
  }
}








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