Tuesday, 12 July 2016

Java Tutorial : Java IO (FileInputStream constructor accept file object)

Peter is coming to India. 

FileInputStreamDemo.java

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

/*
 * public FileInputStream(File file) throws
 *                          FileNotFoundException
 * 
 * Parameters: 
 * ----------
 * 
 * file - the file to be opened for reading.
 */

public class FileInputStreamDemo
{

    public static void main(String[] args) throws IOException
    {
        FileInputStreamDemo fileInputStreamDemo = new FileInputStreamDemo();
        fileInputStreamDemo.readFile();
    }

    private void readFile() throws IOException
    {
        FileInputStream fileInputStream = null;

        try
        {
            File file = new File("myfile.txt");
            /*
             * Creates a FileInputStream by opening a
             * connection to an actual file, the file named
             * by the File object file in the file system.
             */
            fileInputStream = new FileInputStream(file);
            int i;

            /*
             * Reads a byte of data from this input stream.
             */
            while ((i = fileInputStream.read()) != -1)
            {
                System.out.print((char) i);
            }
        }
        finally
        {
            if (fileInputStream != null)
            {
                /*
                 * Closes this file input stream and
                 * releases any system resources associated
                 * with the stream.
                 */
                fileInputStream.close();
            }
        }
    }

}
Output
Peter is coming to India.

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/JavaIODemo_FileInputStream_File_Obj_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_FileInputStream_File_Obj_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/8856efd41d266466f6a6531fd665f7cfc37ad73f/BasicJava/JavaIODemo_FileInputStream_File_Obj_App/?at=master

See also:
  • All JavaEE Viedos Playlist
  • All JavaEE Viedos
  • All JAVA EE Links
  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
  • Java Collection Framework Tutorial
  • JAVA Tutorial
  • Kids Tutorial
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