package Sorting;

import java.util.Scanner;
import java.util.InputMismatchException;
/**
 * This class contains the main method and presents an interface for the user to
 * compare sorting algorithm efficiencies. The user will be able to generate files
 * of random numbers, and to select a set of algorithms to test on a file of random
 * numbers.
 */
public class AlgorithmTester{

    final static Scanner sc = new Scanner(System.in);
    static int input;
    public static void main(String[] args) {
        System.out.println("SORTING ALGORITHM TESTER\n");
        boolean quit = false;
        while(!quit){
            System.out.println("Please select an option:");
            System.out.println("1) Make a file of random numbers");
            System.out.println("2) Sort a file of random numbers");
            System.out.println("0) Exit")
       
            try{
                input = sc.nextInt();
         //Using the new switch syntax introduced in JDK 13
        //this is a switch expression (lambda expression) rather than a switch statement
                switch(input){
                    case 1 -> makeFile();
                    case 2 -> sortFile();
                    case 3 -> quit=true;
                }

            } catch(InputMismatchException ex){
                System.out.println("Invalid input");
            }
        }
        sc.close();
    }

}