Update UsingBufferedStreams.java

app/src/main/java/edu/handong/csee/java/example/fileread/benchmark/UsingBufferedStreams.java

@@ -5,52 +5,25 @@
 /**
  * Created by sherxon on 4/23/17. https://github.com/sherxon/AlgoDS/tree/master/src/oi
  */
-public class UsingBufferedStreams {
+public class UsingBufferedReader {
     public static void main(String[] args) throws IOException {
 
-            //-------------- Test reading 1 MB file. --------------------
-        StopWatch.start();
-
-        BufferedInputStream inputStream= new BufferedInputStream(new FileInputStream(new File(DumpDataWriter.input1MB)));
-        while (inputStream.read()!=-1){}
-
-        long duration = StopWatch.stop();
-        System.out.println(duration + " milsec");
-
-        inputStream.close();
-
-        //-------------- Test reading 10 MB file. --------------------
-        StopWatch.start();
-
-        BufferedInputStream inputStream2= new BufferedInputStream(new FileInputStream(new File(DumpDataWriter.input10MB)));
-        while (inputStream2.read()!=-1){}
+        if (args.length < 1) {
+            System.out.println("Please provide a file name as a command line argument.");
+            return;
+        }
 
-        long duration2 = StopWatch.stop();
-        System.out.println(duration2 + " milsec");
-
-        inputStream2.close();
+        String filename = args[0];
 
-        /*
-        //-------------- Test reading 100 MB file. --------------------
         StopWatch.start();
 
-        BufferedInputStream inputStream3= new BufferedInputStream(new FileInputStream(new File(DumpDataWriter.input100MB)));
-        while (inputStream3.read()!=-1){}
+        BufferedReader inputStream = new BufferedReader(new FileReader(filename));
+        while (inputStream.read() != -1) {}
 
-        long duration3 = StopWatch.stop();
-        System.out.println(duration3 + " milsec");
-
-        inputStream3.close();
-
-        //-------------- Test reading 1000 MB file. --------------------
-        StopWatch.start();
+        long duration = StopWatch.stop();
+        System.out.println("Reading file: " + filename);
+        System.out.println(duration + " milsec");
 
-        BufferedInputStream inputStream4= new BufferedInputStream(new FileInputStream(new File(DumpDataWriter.input1000MB)));
-        while (inputStream4.read()!=-1){}
-        long duration4 = StopWatch.stop();
-        System.out.println(duration4 + " milsec");
-
-        inputStream4.close();
-        */
+        inputStream.close();
     }
 }