Java Source Code For Converting a Given "Number" into "Words" ...

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This program can genrally used by bank applications where you need to convert given "cheque" amount or "DD" amount in "words". or it can be used in any application where you want to display the number in word format. Hope this program works for you. :)

/***************************************************************/

Program to covert a given number in words Format
Author: Krishnakanth Soni
feedback at: sonikrishnakanth@gmail.com

usage: java Converter [list of numbers as arguments]
example: java Converter 1234 3456 4567 4321 9999

/**************************************************************/

Output Screen

Download API & Source Code for Converter here..

public class Converter
{
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.LAKHS;
case 7:
return DefinePlace.TENLAKHS;
case 8:
return DefinePlace.CRORES;
case 9:
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 "Tweleve";
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.TENLAKHS || 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 += " Thousands ";
}//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.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[] ){
Converter cv = new Converter();

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 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


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