Reads a sequence of integer numbers and outputs true if the sequence is ordered (in ascending or descending order), otherwise, false.

Main.java

import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int myIntA;
        int myIntB = sc.nextInt();
        boolean ascendingResult = true;
        boolean descendingResult = true;


        for (;;) {
            myIntA = myIntB;
            myIntB = sc.nextInt();
            if (myIntB == 0) {

                break;
            }

            // check for ascending sequence
            if (ascendingResult && myIntB < myIntA) {
                ascendingResult = false;
                continue;
            }

            // check for descending sequence
            if (descendingResult && myIntB > myIntA) {
                descendingResult = false;
                continue;
            }

            if (!descendingResult && !ascendingResult) {
                break;
            }
        }

        boolean result = ascendingResult || descendingResult;
        System.out.println(result);

    }
}