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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.     public static void main(String[] args) {
  5.         Scanner sc = new Scanner(System.in);
  6.         int n;
  7.         do {
  8.              n = sc.nextInt();
  9.             if(n < 0 || n > 999){
  10.                 System.out.print("invalid number\n");
  11.             }
  12.         }while (n < 0 || n > 999);
  13.  
  14.         if (n == 0) {
  15.             System.out.println("Zero");
  16.             return;
  17.         }
  18.  
  19.         String NumInWords= "";
  20.  
  21.         if (n >= 100) {
  22.             int hundreds = n / 100;
  23.             switch (hundreds) {
  24.                 case 1: NumInWords += "One hundred";
  25.                 break;
  26.                 case 2: NumInWords += "Two Hundred";
  27.                 break;
  28.                 case 3: NumInWords += "Three Hundred";
  29.                 break;
  30.                 case 4: NumInWords += "four hundred";
  31.                 break;
  32.                 case 5: NumInWords += "five hundred";
  33.                 break;
  34.                 case 6: NumInWords += "six hundred";
  35.                 break;
  36.                 case 7: NumInWords += "Seven Hundred";
  37.                 break;
  38.                 case 8: NumInWords += "eight hundred";
  39.                 break;
  40.                 case 9: NumInWords += "nine hundred";
  41.                 break;
  42.             }
  43.             n = n % 100;
  44.  
  45.         }
  46.         NumInWords+=" ";
  47.  
  48.         if (n >= 20) {
  49.             int tens = n / 10;
  50.             switch (tens) {
  51.                 case 2: NumInWords += "twenty";
  52.                 break;
  53.                 case 3: NumInWords += "thirty";
  54.                 break;
  55.                 case 4: NumInWords += "forty";
  56.                 break;
  57.                 case 5: NumInWords += "fifty";
  58.                 break;
  59.                 case 6: NumInWords += "sixty";
  60.                 break;
  61.                 case 7: NumInWords += "seventy";
  62.                 break;
  63.                 case 8: NumInWords += "eighty";
  64.                 break;
  65.                 case 9: NumInWords += "ninety";
  66.                 break;
  67.             }
  68.             n = n % 10;
  69.             if (n > 0) {
  70.                 NumInWords += " ";
  71.  
  72.             }
  73.  
  74.         }
  75.  
  76.             else if (n >= 10 && n <= 19) {
  77.             switch (n) {
  78.                 case 10: NumInWords += "ten";
  79.                 break;
  80.                 case 11: NumInWords += "Eleven";
  81.                 break;
  82.                 case 12: NumInWords += "Twelve";
  83.                 break;
  84.                 case 13: NumInWords += "thirteen";
  85.                 break;
  86.                 case 14: NumInWords += "fourteen";
  87.                 break;
  88.                 case 15: NumInWords += "fifteen";
  89.                 break;
  90.                 case 16: NumInWords += "Sixteen";
  91.                 break;
  92.                 case 17: NumInWords += "Seventeen";
  93.                 break;
  94.                 case 18: NumInWords += "eighteen";
  95.                 break;
  96.                 case 19: NumInWords += "nineteen";
  97.                 break;
  98.             }
  99.             n = 0;
  100.         }
  101.  
  102.         if (n > 0 && n < 10) {
  103.             switch (n) {
  104.                 case 1: NumInWords += "One";
  105.                 break;
  106.                 case 2: NumInWords += "Two";
  107.                 break;
  108.                 case 3: NumInWords += "Three";
  109.                 break;
  110.                 case 4: NumInWords += "Four";
  111.                 break;
  112.                 case 5: NumInWords += "Five";
  113.                 break;
  114.                 case 6: NumInWords += "Six";
  115.                 break;
  116.                 case 7: NumInWords += "Seven";
  117.                 break;
  118.                 case 8: NumInWords += "Eight";
  119.                 break;
  120.                 case 9: NumInWords += "Nine";
  121.                 break;
  122.             }
  123.         }
  124.  
  125.         System.out.println(NumInWords);
  126.  
  127.         sc.close();
  128.     }
  129. }
  130.  
Success #stdin #stdout 0.22s 58780KB
comments (?)
stdin
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342
stdout
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Three Hundred forty Two
https://ideone.com/NHlR5Q
language:
Java (HotSpot 12)
created:
19 days ago
visibility:
public

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