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  1. /* Algorithm - main
  2.  
  3. loop from 99 down to 1
  4.   // one verse each iteration
  5.   numString <-- call method to convert i to string
  6.   print numstring + " bottles of beer on the wall, " // phrase 1
  7.   print numString + " bottles of beer, " // phrase 2
  8.   print "Take one down, pass it around, " // phrase 3
  9.   numString <-- call method to convert i-1 to string
  10.   print numstring + " bottles of beer on the wall." // phrase 4
  11.   print a blank line
  12. end loop
  13. */
  14.  
  15. /* Algorithm - numberToString
  16.  
  17. ADD 1
  18.  
  19. */
  20.  
  21. class HW6PrintLyrics
  22. {
  23.   public static void main(String[] args)
  24.   {
  25.     // loop verses from 99 down to 1
  26.     for (int i=99; i>0; i--)
  27.     {
  28.       // print one verse: with 4 phrases
  29.       //   first two phrases: value i
  30.       //   third phrase: no number
  31.       //   fourth phrase: value i-1
  32.  
  33.       String numString = numberToString(i); // convert i to string
  34.       System.out.println(numString + " bottles of beer on the wall, ");
  35.       System.out.println(numString + " bottles of beer, ");
  36.  
  37.       System.out.println("Take one down, pass it around, ");
  38.  
  39.       // ADD CODE 1: print fourth phrase
  40.       numString = numberToString(i-1);
  41.        System.out.println(numString + " bottles of beer on the wall. ");
  42.  
  43.     } // end for
  44.   } // end main
  45.  
  46.   public static String numberToString(int num)
  47.   {
  48.     String result = "";
  49.  
  50.     // ADD CODE 2
  51.     if (num==0 || num>=10 && num<=19)
  52.     {
  53.     	switch(num)
  54.     	{
  55.     		case 0: result = "zero"; break;
  56.     		case 10: result = "ten"; break;
  57.     		case 11: result = "eleven"; break;
  58.     		case 12: result = "twelve"; break;
  59.     		case 13: result = "thriteen"; break;
  60.     		case 14: result = "fourteen"; break;
  61.     		case 15: result = "fifteen"; break;
  62.     		case 16: result = "sixteen"; break;
  63.     		case 17: result = "seventeen"; break;
  64.     		case 18: result = "eighteen"; break;
  65.     		case 19: result = "nineteen"; break;
  66.     	} // end switch num
  67.     } 
  68.     else if (num>=1 && num<=9 || num>= 20 && num <= 99)
  69.     {
  70.     	int tenthDigit= num / 10;
  71.     	int unitDigit= num % 10;
  72.  
  73.     	String tenthStr= " ";
  74.     	String unitStr= " ";
  75.  
  76.     	switch (tenthDigit)
  77.     	{
  78.     		case 2: tenthSt r= "twenty"; break;
  79.     		case 3: tenthStr = "thirty"; break;
  80.     		case 4: tenthStr = "fourty"; break;
  81.     		case 5: tenthStr = "fifty"; break;
  82.     		case 6: tenthStr = "sixty"; break;
  83.     		case 7: tenthStr = "seventy"; break;
  84.     		case 8: tenthStr = "eighty"; break;
  85.     		case 9: tenthStr = "ninety"; break;
  86.  
  87.     	} // end switch tenthDigt
  88.  
  89.     	switch (unitDigit)
  90.     	{
  91.     		case 1: unitStr = "one"; break;
  92.     		case 2: unitStr = "two"; break;
  93.     		case 3: unitStr = "three"; break;
  94.     		case 4: unitStr = "four"; break;
  95.     		case 5: unitStr = "five"; break;
  96.     		case 6: unitStr = "six"; break;
  97.     		case 7: unitStr = "seven"; break;
  98.     		case 8: unitStr = "eight"; break;
  99.     		case 9: unitStr = "nine"; break;
  100.     	} // end switch unitDigit
  101.  
  102.     	if (tenthDigit== 0) {
  103.     	result = unitStr;}
  104.     	else if(unitDigit==0){
  105.     	result= tenthStr;}
  106.     	else {
  107.     	result= tenthStr + "-" + unitStr;}
  108.  
  109.     } // end else if
  110.  
  111.     else {
  112.     result= "invalid";
  113.     }
  114.  
  115.     return result;
  116.   } // end convertToString
  117.  
  118. } // end class HW6PrintLyrics
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:78: error: cannot find symbol
    		case 2: tenthSt r= "twenty"; break;
    		        ^
  symbol:   class tenthSt
  location: class HW6PrintLyrics
1 error
stdout
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Standard output is empty
https://ideone.com/mtZquP
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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