UsingInputStream.java example

package oi;

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

/**
 * Created by sherxon on 4/23/17.
 */
public class UsingInputStream {
    public static void main(String[] args) throws IOException {

        //-------------- Test reading 1 MB file. --------------------
        StopWatch.start();

        FileInputStream inputStream= new FileInputStream(new File(DumpDataWriter.input1MB));
        long count =0; // use it inside while block to count bytes
        while (inputStream.read()!=-1){}

        long duration = StopWatch.stop();
        System.out.println(duration);

        //-------------- Test reading 10 MB file. --------------------

        StopWatch.start();

        FileInputStream inputStream2= new FileInputStream(new File(DumpDataWriter.input10MB));
        while (inputStream2.read()!=-1){}

        long duration2 = StopWatch.stop();
        System.out.println(duration2);


        //-------------- Test reading 100 MB file. --------------------

        StopWatch.start();

        FileInputStream inputStream3= new FileInputStream(new File(DumpDataWriter.input100MB));
        while (inputStream3.read()!=-1){}

        long duration3 = StopWatch.stop();
        System.out.println(duration3);

        //-------------- Test reading 1000 MB file. --------------------

        StopWatch.start();

        FileInputStream inputStream4= new FileInputStream(new File(DumpDataWriter.input1000MB));
        while (inputStream4.read()!=-1){}

        long duration4 = StopWatch.stop();
        System.out.println(duration4);
    }
}