Java FileInputStream Example

FileInputStream is useful for reading the stream of bytes. If you want to read the characters, then consider using the FileReader. FileInputStream is ideal candidate for processing the image type of files which needed to be read as the binary streams. However, we can read the normal text files using the FileInputStream. This example demonstrates how to use FileInputStream for reading simple text file.

FileInputStreamExample.java

[code lang=”java”]
package javabeat.net.core;

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

/**
* Java FileInputStream Example
*
* @author Krishna
*
*/
public class FileInputStreamExample{
public static void main(String args[]) throws IOException{
//Create file object
File file = new File("TextFile.txt");

//Create FileInputStream object
FileInputStream fileInputStream = new FileInputStream(file);

//Read first byte
int i = fileInputStream.read();
while (i!=-1){
//Converting byte to char and printing it
System.out.print((char)i);
i = fileInputStream.read();
}

//Close FileInputStream
fileInputStream.close();
}
}

[/code]

TextFile.txt

[code]
India
United Kingdom
Australia
Singapore
[/code]

Output…

[code]
India
United Kingdom
Australia
Singapore
[/code]