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

public class OpenFile {

	public static void main(String[] args) 
		throws IOException {

		String path = "/home/jr/Desktop/file1.txt";
		File file = new File(path);

		DataInputStream dis = new 
			DataInputStream(new BufferedInputStream( 
				new FileInputStream(file) ) );

		if( file.exists() )
			while (dis.available() != 0) 
				System.out.println(dis.readLine());
	        else	
			System.out.println(" file does not exist");

		dis.close();
	}
}