/* This program converts numbers into its word counterparts.
This can only handle integer inputs from -999 to 999.
*/
import java.util.Scanner;
public class IntegerToWord
{
public static void main(String[] args)
{
Scanner s = new Scanner(System.in);
System.out.print("Enter a # (bet. -999 to 999): ");
int submit = s.nextInt(); // User Input
int num = Math.abs(submit); // Turns negative input to Positive Input
int hundreds = num / 100; // Gets the left most digit (hundreds) of the Input
int ones = num % 10; // Gets the right most digit (ones) of the Input
int digitMiddleRight = num % 100; // Gets the Middle digit (tens) and Right Digit (ones).
int tens = digitMiddleRight / 10; // It is now possible to get the middle digit (tens).
if(num >= -999 && num <= 999){ // Input must be within this range.
if (submit < 0) // Checks if USER INPUT is negative.
{
System.out.print("Negative "); // Prints NEGATIVE. The first word if the USER INPUT is Negative.
}
else if(num == 0) // If Input is 0. then Zero
{
System.out.println("Zero");
}
else
{
System.out.print(""); // If Input is Positive. Just leave blank.
}
if(hundreds >= 1) // Remember that int hundreds was used to get the left most digit.
{
switch(hundreds)
{
case 1: System.out.print("One hundred "); break;
case 2: System.out.print("Two hundred "); break;
case 3: System.out.print("Three hundred "); break;
case 4: System.out.print("Four hundred "); break;
case 5: System.out.print("Five hundred "); break;
case 6: System.out.print("Six hundred "); break;
case 7: System.out.print("Seven hundred "); break;
case 8: System.out.print("Eight hundred "); break;
case 9: System.out.print("Nine hundred ");
}
}
// This If-Else statement will only run if (USER_INPUT % 100) has a value.
if(digitMiddleRight >= 11 && digitMiddleRight <= 19) // If (USER INPUT % 100) has a value between the range 11 to 19.
{
switch(digitMiddleRight)
{
case 11: System.out.print("Eleven "); break;
case 12: System.out.print("Twelve "); break;
case 13: System.out.print("Thirteen "); break;
case 14: System.out.print("Fourteen "); break;
case 15: System.out.print("Fifteen "); break;
case 16: System.out.print("Sixteen "); break;
case 17: System.out.print("Seventeen "); break;
case 18: System.out.print("Eighteen "); break;
case 19: System.out.print("Nineteen ");
}
}
else // if (USER INPUT % 100) is not equal to the values in the range 11-19
{
switch(tens) // The middle digit.
{
case 1: System.out.print("Ten "); break;
case 2: System.out.print("Twenty "); break;
case 3: System.out.print("Thirty "); break;
case 4: System.out.print("Forty "); break;
case 5: System.out.print("Fifty "); break;
case 6: System.out.print("Sixty "); break;
case 7: System.out.print("Seventy "); break;
case 8: System.out.print("Eighty "); break;
case 9: System.out.print("Ninety ");
}
switch(ones) // Right most digit.
{
case 1: System.out.print("One "); break;
case 2: System.out.print("Two "); break;
case 3: System.out.print("Three "); break;
case 4: System.out.print("Four "); break;
case 5: System.out.print("Five "); break;
case 6: System.out.print("Six "); break;
case 7: System.out.print("Seven "); break;
case 8: System.out.print("Eight "); break;
case 9: System.out.print("Nine "); // Notice how System.out.print() is commonly used. Since this SOP statement prints on the same line and shit.
}
}
}
else
{
System.out.print("Invalid Value!"); // If the inputted value IS NOT in range -999 to 999.
}
s.close();
}
}