Assignement:Solving a Number Puzzle
Code
/// Name: Sean Harrison
/// Period: 7
/// Program name: MoreNumPuzzle
/// File Name: MoreNumPuzzle.java
/// Date Finished: 5/3/2016
import java.util.Scanner;
import java.util.InputMismatchException;
public class MoreNumPuzzle
{
public static void main( String[] args ) throws Exception
{
System.out.println();
int choice = 0;
do
{
choice = showMenu();
System.out.println("\n");
if (choice==1) optionOne();
if (choice==2) optionTwo();
System.out.println("\n");
}
while (choice!=3);
System.out.println("Goodbye.");
}
public static int showMenu()
{
System.out.print("1) Find two digit numbers <= 56 with sums of digits > 10\n" +
"2) Find two digit number minus number reversed which equals sum of digits\n" +
"3) Quit\n" +
"\n" +
">");
Scanner keyboard = new Scanner(System.in);
int num = 0;
try
{
num = keyboard.nextInt();
}
catch (InputMismatchException e)
{
System.out.println("Incorrect Input");
}
if (num < 1 || num > 3) System.out.println("Enter a number between 1 and 3.");
return num;
}
public static void optionOne()
{
for ( int n = 1; n < 10; n++)
{
for ( int j = 0; j < 10; j++)
{
if ((n*10+j)<=56 && (n+j>10) )
{
System.out.print(n);
System.out.print(j + " ");
}
}
}
}
public static void optionTwo()
{
for ( int n = 1; n < 10; n++)
{
for ( int j = 0; j < 10; j++)
{
if ((n*10+j)-(j*10+n)==(n+j) )
{
System.out.print(n);
System.out.print(j+" ");
}
}
}
}
}
Picture of the output