# DAT/210 Week 2 Java LAB 3.21: Interstate highway numbers

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## Quick Overview

DAT/210 Week 2 Java LAB 3.21: Interstate highway numbers

Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, I-405 services I-5, and I-290 services I-90.
Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west.

Ex: If the input is:
90
the output is:
I-90 is primary, going east/west.

Ex: If the input is:
290 the output is:
1-290 is auxiliary, serving 1-90, going east/west.

Ex: If the input is:
0
or any number not between 1 and 999,
the output is:
0 is not a valid interstate highway number.

import java.util.Scanner;

public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
int highwayNumber;
int primaryNumber;

highwayNumber = scnr.nextInt();

/* Type your code here. */
}
}

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## Details

DAT/210 Week 2 Java LAB 3.21: Interstate highway numbers

Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, I-405 services I-5, and I-290 services I-90.
Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west.

Ex: If the input is:
90
the output is:
I-90 is primary, going east/west.

Ex: If the input is:
290 the output is:
1-290 is auxiliary, serving 1-90, going east/west.

Ex: If the input is:
0
or any number not between 1 and 999,
the output is:
0 is not a valid interstate highway number.

import java.util.Scanner;

public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
int highwayNumber;
int primaryNumber;

highwayNumber = scnr.nextInt();

/* Type your code here. */
}
}