Java Codes : Converting Numbers to Words

File Name:  Kamikuto1.java
Description: This program uses Switch Statements and Multiple Sub-Classes to covert numbers to words.
Output: Converting numbers to words.

Program:

public  class  Kamikuto1{

private double getPlace( String number ){ switch( number.length() ){

case  1:
return DefinePlace.UNITS; 
case 2:
return DefinePlace.TENS; 
case 3:
return DefinePlace.HUNDREDS; 
case 4:
return DefinePlace.THOUSANDS; 
case 5:
return DefinePlace.TENTHOUSANDS; 
case 6:
return DefinePlace.MILLIONS; //return DefinePlace.LAKHS;
case  7:
return DefinePlace.TENMILLIONS; //return DefinePlace.TENLAKHS;
case  8:
return DefinePlace.BILLIONS; //return DefinePlace.CRORES;
case  9:
return DefinePlace.TENBILLIONS; //return DefinePlace.TENCRORES;

}//switch return 0.0; }// getPlace

private String getWord( int number ){ switch( number ){
case  1:
return "One"; 
case 2:
return  "Two";
case  3:
return "Three"; 
case 4:
return "Four"; 
case 5:
return "Five"; 
case 6:
return "Six"; 
case 7:
return "Seven"; 
case 8:
return "Eight"; 
case 9:
return "Nine"; 
case 0:
return "Zero"; 
case 10:
return "Ten"; 
case 11:
return "Eleven"; 
case 12:
return "Twelve"; 
case 13:
return "Thirteen"; 
case 14:
return "Forteen"; 
case 15:
return "Fifteen"; 
case 16:
return "Sixteen"; 
case 17:
return "Seventeen"; 
case 18:
return "Eighteen"; 
case 19:
return "Ninteen"; 
case 20:
return "Twenty"; 
case 30:
return "Thirty"; 
case 40:
return "Forty"; 
case 50:
return "Fifty"; 
case 60:
return "Sixty"; 
case 70:
return "Seventy"; 
case 80:
return "Eighty"; 
case 90:
return "Ninty"; 
case 100:
return  "Hundred";
} //switch return ""; } //getWord 

private String cleanNumber( String number ){ String cleanedNumber = "";

cleanedNumber = number.replace( '.', ' ' ). replaceAll( " ", "" );
cleanedNumber = cleanedNumber.replace( ',', ' ' ).replaceAll( " ", "" );
if( cleanedNumber.startsWith( "0" ) ) cleanedNumber = cleanedNumber.replaceFirst( "0",
""  );

return cleanedNumber; } //cleanNumber

public String convertNumber( String number ){ number = cleanNumber( number );
double num = 0.0; try{
num = Double.parseDouble( number ); }catch( Exception e ){

return "Invalid Number Sent to Convert"; } //catch

String returnValue = ""; while( num > 0 ){ number = "" + (int)num;
double  place  =  getPlace(number);

if( place == DefinePlace.TENS || place == DefinePlace.TENTHOUSANDS || place == DefinePlace.TENMILLIONS || place == DefinePlace.TENBILLIONS ){
//if( place == DefinePlace.TENS || place == DefinePlace.TENTHOUSANDS || place ==
//DefinePlace.TENMILLIONS || place == DefinePlace.TENCRORES ){

int subNum = Integer.parseInt( number.charAt(0) + "" + number.charAt(1) );

if( subNum >= 21 && (subNum%10) != 0 ){ returnValue += getWord( Integer.parseInt( "" +
number.charAt(0) ) * 10 ) + " " + getWord( subNum%10 ) ; } //if
else{
returnValue += getWord(subNum); }//else

if( place == DefinePlace.TENS ){ num = 0;
}//if
else if( place == DefinePlace.TENTHOUSANDS ){ num -= subNum * DefinePlace.THOUSANDS; returnValue += " Thousand ";

}//if
else if( place == DefinePlace.TENMILLIONS ){ num -= subNum * DefinePlace.MILLIONS; returnValue += " Million ";

}//if
else if( place == DefinePlace.TENBILLIONS ){ num -= subNum * DefinePlace.BILLIONS; returnValue += " Billion ";

//}//if
//else if( place == DefinePlace.TENLAKHS ){ //num -= subNum * DefinePlace.LAKHS; //returnValue += " Lakhs ";

//}//if
//else if( place == DefinePlace.TENCRORES ){ //num -= subNum * DefinePlace.CRORES; //returnValue += " Crores ";

}//if }//if else{

int  subNum  =  Integer.parseInt(  ""  +  number.charAt(0)  );

returnValue += getWord( subNum ); if( place == DefinePlace.UNITS ){ num = 0;
}//if
else  if(  place  ==  DefinePlace.HUNDREDS  ){

num -= subNum * DefinePlace.HUNDREDS; returnValue += " Hundred ";
}//if
else if( place == DefinePlace.THOUSANDS ){ num -= subNum * DefinePlace.THOUSANDS; returnValue += " Thousand ";

}//if
else if( place == DefinePlace.MILLIONS ){ num -= subNum * DefinePlace.MILLIONS; returnValue += " Million ";

}//if
else if( place == DefinePlace.BILLIONS ){ num -= subNum * DefinePlace.BILLIONS; returnValue += " Billion ";

//}//if
//else if( place == DefinePlace.LAKHS ){ //num -= subNum * DefinePlace.LAKHS; //returnValue += " Lakh ";

//}//if
//else if( place == DefinePlace.CRORES ){ //num -= subNum * DefinePlace.CRORES; //returnValue += " Crore ";

}//if }//else }//while
return returnValue; }//convert number

public static void main( String args[] ){ Kamikuto1 cv = new Kamikuto1();

if(  args.length  >=  1  )
{
for( int i=0; i<args.length; i++ ) System.out.println( "Given Number : " + args[i] +
"\nConverted: " + cv.convertNumber(args[i]) + "\n\n" ); System.exit(0);
}

System.out.println( "Given Number : 999999999\nConverted: " + cv.convertNumber("999999999") + "\n\n" );
}//main } //class

class  DefinePlace{
public  static  final  double  UNITS  =  1;
public static final double TENS = 10 * UNITS; public static final double HUNDREDS = 10 * TENS;
public static final double THOUSANDS = 10 * HUNDREDS; public static final double TENTHOUSANDS = 10 * THOUSANDS;
public static final double MILLIONS = 10 * TENTHOUSANDS;
public  static  final  double  TENMILLIONS  =  10  *  MILLIONS;
public static final double BILLIONS = 10 * TENMILLIONS; 
public static final double TENBILLIONS = 10 * BILLIONS;
//public static final double LAKHS = 10 * TENTHOUSANDS; 
//public static final double TENLAKHS = 10 * LAKHS; 
//public static final double CRORES = 10 * TENLAKHS; 
//public static final double TENCRORES = 10 * CRORES;

}  //class

Do you have a Java Problem?
Ask It in The Java Forum

Java Books
Java Certification, Programming, JavaBean and Object Oriented Reference Books

Return to : Java Programming Hints and Tips

All the site contents are Copyright © www.erpgreat.com and the content authors. All rights reserved.
All product names are trademarks of their respective companies.
The site www.erpgreat.com is not affiliated with or endorsed by any company listed at this site.
Every effort is made to ensure the content integrity.  Information used on this site is at your own risk.
 The content on this site may not be reproduced or redistributed without the express written permission of
www.erpgreat.com or the content authors.