import java.io.*; public class num_to_words { public static void main(String soham[]) throws Exception { long num,div,num1; int flag=0,digit,position,total_digit; BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); System.out.print("\nEnter number: "); num = Integer.parseInt(br.readLine()); if(num==0) { System.out.print("Zero\n\n"); } if(num>99999) { System.out.print("please enter number between 0 and 100000\n\n"); } total_digit = 0; div = 1; num1 = num; while ( num1 > 9 ) { num1 = num1 / 10; div = div * 10; total_digit++; } total_digit++; position = total_digit; while ( num != 0 ) { digit= (int)(num / div); num = num % div; div = div / 10; switch(position) { case 2: case 5: if ( digit == 1 ) { flag = 1; } else { flag = 0; switch(digit) { 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("ninty "); } } break; case 1: case 4: if ( flag == 1 ) { flag = 0; switch(digit) { case 0 : System.out.print("ten ");break; case 1 : System.out.print("eleven ");break; case 2 : System.out.print("twelve ");break; case 3 : System.out.print("thirteen ");break; case 4 : System.out.print("fourteen ");break; case 5 : System.out.print("fifteen ");break; case 6 : System.out.print("sixteen ");break; case 7 : System.out.print("seventeen ");break; case 8 : System.out.print("eighteen ");break; case 9 : System.out.print("ninteen "); } } else { switch(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 "); } } if ( position == 4 ) System.out.print("thousand "); break; case 3: if ( digit> 0 ) { switch(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 "); } System.out.print("hundred "); } break; } position--; } if ( position == 4 && flag == 0) { System.out.print("thousand"); } else { if ( position == 4 && flag == 1) { System.out.print("ten thousand"); } } if ( position == 1 && flag == 1 ) { System.out.print("ten "); } System.out.println(); } }
Output1: Enter number: 101 one hundred one Output2: Enter number: 1001 one thousand one
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