hw2

/*
 * Name: Nate Wheeler
 * Date: sept 23, 2016
 * Course Number: csc220
 * Course Name: data structures
 * Problem Number: hw2
 * Email: nate23nate23@gmail.com
 * Short Description of the Problem:
 *  Write a method, isEquivalent, that checks
 *  whether two int arrays are equivalent. Two
 *  arrays are equivalent if they have the same
 *  length and contain the same values in any order.
 */

import java.util.Arrays;
import java.util.Scanner;

public class EquivalentArrays {
    static int[] x;
    static int[] y;

    private static void process(Scanner sc, String args[]) {
        // make an array

        System.out.print("Enter array size: ");
        x = new int[sc.nextInt()];
        System.out.println("Processing " + Arrays.toString(x) + " ...");
        System.out.println("Please insert numbers for the array:");
        int c = 0;
        while (c < x.length) {
            x[c] = sc.nextInt();
            c++;
        }
        System.out.println("New array parameters: " + Arrays.toString(x));
        System.out.println("Please Enter Size of Next Array: ");
        y = new int[sc.nextInt()];
        System.out.println("Processing " + Arrays.toString(y) + " ...");
        int c1 = 0;
        while (c1 < y.length) {
            y[c1] = sc.nextInt();
            c1++;
        }
        System.out.println("New array parameters: " + Arrays.toString(y));
        // sort(x,y);
        System.out.println(Arrays.toString(x) + "\n" + Arrays.toString(y));
        // if(isEquivalent(x,y)==true)
        // System.out.println("The 2 Arrays are equivalent.");
        if (isEquivalent(x, y) != true)
            System.out.println("The 2 Arrays are inequivalent.");
        else
            System.out.println("The 2 Arrays are equivalent.");
        sc.nextLine();
    }

    public static void sort(int[] x1, int[] y1) {
        Arrays.sort(x1);
        Arrays.sort(y1);
        for (int i = 0; i <= x.length; i++) {
            x[i] = x1[i];
            y[i] = y1[i];
        }
    }

    public static boolean isEquivalent(int[] x1, int[] y1) {
        if (x1.length != y1.length)
            return false;
        Arrays.sort(x1);
        Arrays.sort(y1);
        System.out.println("sorted arrays: \n " + Arrays.toString(x1)
                + Arrays.toString(y1));
        for (int i = 0; i <= x1.length; i++) {
            if (x1[i] != y1[i])
                return false;
            i++;
        }
        return true;
    }

    // create a method for array input
    // create sorting method
    // create isEquivalent method
    private static boolean doThisAgain(Scanner sc, String prompt) {
        System.out.print(prompt);
        String doOver = sc.nextLine();
        return doOver.equalsIgnoreCase("Y");
    }

    public static void main(String args[]) {
        final String TITLE = "CSC220 Homework 2: Equivalent Arrays";
        final String CONTINUE_PROMPT = "Do this again? [Y/N] ";

        System.out.println("Welcome to " + TITLE);
        Scanner sc = new Scanner(System.in);
        do {
            process(sc, args);
        } while (doThisAgain(sc, CONTINUE_PROMPT));
        sc.close();
        System.out.println("Thank you for using " + TITLE);
    }

}