/**
 * Demonstrates basics of Scanner and use of delimiters
*/
package scannerdelimeters;

import java.util.Scanner;

public class ScannerDelimeters {

    public static void main(String args[])
    {
        // methods that demonstrate use of scanner
        scanner1();
        scanner2();
        scanner3();
    }

    public static void scanner1()
    {
        System.out.println("***** scanner1() *****");

        Scanner sc;
        String input = "John 24    1.34\nAnne 30 1.45";  // \n == newline

        // default delimiter is whitespace (spaces, tabs and newlines)
        sc = new Scanner(input);

        while (sc.hasNext()) {
            System.out.println(sc.next());
        }
        sc.close();
    }

    public static void scanner2()
    {
        System.out.println("***** scanner2() *****");

        Scanner sc;
        String input = "Bill,68,1.84\r\nHilary,66,1.40";   // CR-LF

        // must set the delimiter to be a comma character ","
        sc = new Scanner(input).useDelimiter(",");

        while (sc.hasNext()) {
            System.out.println(sc.next());
        }
        sc.close();
    }

    public static void scanner3()
    {
        System.out.println("***** scanner3() *****");

        Scanner sc;
        String input = "Brad;55;1.94\r\n\nAngelina;42;;1.60";

        // set delimiter using a Regular Expression 'RegEx'
        // RegEx matches one or more of a semi-colon, a CR or a LF
        sc = new Scanner(input).useDelimiter("[;\r\n]+");

        while (sc.hasNext()) {
            System.out.println(sc.next());
        }
        sc.close();
    }

}