in java'Variables fStream and dataFS are FileInputStream and Scanner, respectively. String fileName is assigned a file's name read from input. Perform the following tasks:Assign fStream with a FileInputStream that opens the file fileName for reading.Assign dataFS with a Scanner created using fStream. Click here for exampleEx: If the input is peach2.txt and: Data in file peach2.txt4.3then the output is:4.3GroceryDataProcessor.javapeach1.txtpeach2.txtpeach3.txt public class GroceryDataProcessor {publicstaticvoidmain(String[] args) throwsIOException {Scannerscnr=newScanner(System.in);StringfileName;doublepeachWeight;FileInputStreamfStream=null;ScannerdataFS=null; fileName=scnr.next(); /* Your code goes here */ peachWeight=dataFS.nextDouble();System.out.println(peachWeight); fStream.close();}}

The objective of the question is to read data from a file using FileInputStream and Scanner in Java.…

Answered: in java' Variables fStream and dataFS…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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in java'

Variables fStream and dataFS are FileInputStream and Scanner, respectively. String fileName is assigned a file's name read from input. Perform the following tasks:

Assign fStream with a FileInputStream that opens the file fileName for reading.
Assign dataFS with a Scanner created using fStream.

Click here for example

Ex: If the input is peach2.txt and:

Data in file peach2.txt
4.3

then the output is:

4.3

GroceryDataProcessor.java

peach1.txt

peach2.txt

peach3.txt

public class GroceryDataProcessor {

publicstaticvoidmain(String[] args) throwsIOException {

Scannerscnr=newScanner(System.in);

StringfileName;

doublepeachWeight;

FileInputStreamfStream=null;

ScannerdataFS=null;

fileName=scnr.next();

/* Your code goes here */

peachWeight=dataFS.nextDouble();

System.out.println(peachWeight);

fStream.close();

}

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