/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.calebfontenot.exam2_mvn_practice_calebfontenot;

/**
 *
 * @author caleb
 */
public class Consecutive4Equals {

    public static void main(String[] args)
    {
        java.util.Scanner input = new java.util.Scanner(System.in);
        while (true) {
            System.out.print("Enter the number of values, -1 to quit: ");
            int size = input.nextInt();
            if (size == -1) {
                System.out.println("goodbye!");
                break;
            }
            int[] values = new int[size];
            System.out.print("Enter the values: ");
            for (int i = 0; i < values.length; i++) {
                values[i] = input.nextInt();
            }
            if (isConsecutiveFour(values)) {
                System.out.println("The list has consecutive fours.");
            } else {
                System.out.println("The list has no consecutive fours.");
            }
        }
    }

    public static boolean isConsecutiveFour(int[] values)
    {
        int numOccurance = 0;
        int iterable = 0;
        int consecutiveFourDetected = 0;
        for (int i = 0; i < values.length - 1; i++) {
            if (values[i] == values[iterable]) {
                numOccurance++;
                if (i != 0) {
                    iterable++;
                }
            } else {
                numOccurance = 0;
            }
            if (numOccurance >= 4) {
                consecutiveFourDetected++;
            }

        }
        if (consecutiveFourDetected != 0) {
            return true;
        }
        else {
            return false;
        }
    }
}