MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

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

        FileWriter fout = new FileWriter("test.txt");
        fout.write("2, 3.4,    5,6, 7.4, 9.1, 10.5, done");
        fout.close();

        FileReader fin = new FileReader("Test.txt");
        Scanner src = new Scanner(fin);
        // Set delimiters to space and comma.
        // ", *" tells Scanner to match a comma and zero or more spaces as
        // delimiters.

        src.useDelimiter(", *");

        // Read and sum numbers.
        while (src.hasNext()) {
            if (src.hasNextDouble()) {
                System.out.println(src.nextDouble());
            } else {
                break;
            }
        }
        fin.close();
    }
}