Term 1: Lesson 14 - Coding Activity 3

    import java.io.*;
import static java.lang.System.*;
import java.util.Scanner;
import java.lang.Math;

public class Lesson_14_Activity_Three {
      public static void main (String str []) throws IOException {

     Scanner scanner = new Scanner(System.in);

     int a;
     int b;
     int c;
     int d;
     int x;

     System.out.println("Please enter the first octet.");
     a = scanner.nextInt();
     System.out.println("Please enter the second octet.");
     b = scanner.nextInt();
     System.out.println("Please enter the third octet.");
     c = scanner.nextInt();
     System.out.println("Please enter the fourth octet.");
     d = scanner.nextInt();

    x = 1;

    if(a >= 0 && a <= 255) {
    }
    else {
     System.out.println("Octet 1 is incorrect");
      x = 0;
    }

    if(b >= 0 && b <= 255) {
    }
    else {
     System.out.println("Octet 2 is incorrect");
      x = 0;
    }

    if(c >= 0 && c <= 255) {
    }
    else {
     System.out.println("Octet 3 is incorrect");
      x = 0;
    }

    if(d >= 0 && d <= 255) {
    }
    else {
     System.out.println("Octet 4 is incorrect");
      x = 0;
    }


    if(x != 0) {
     System.out.println("IP Address: " + a + "." + b + "." + c + "." + d);
    }
      }
 }