convert number to English readable text - Java java.lang

Java examples for java.lang:int Format

  1. HOME
  2. Java
  3. java.lang
  4. int Format

Description

convert number to English readable text

Demo Code


//package com.java2s;
import java.text.DecimalFormat;

public class Main {
    private static String mask = "0000000000";
    private static final String[] tensNames = { "", " ten", " twenty",
            " thirty", " forty", " fifty", " sixty", " seventy", " eighty",
            " ninety" };
    private static final String[] numNames = { "", " one", " two",
            " three", " four", " five", " six", " seven", " eight",
            " nine", " ten", " eleven", " twelve", " thirteen",
            " fourteen", " fifteen", " sixteen", " seventeen", " eighteen",
            " nineteen" };

    public static String convert(long number) {
        // 0 to 999 999 999 999
        if (number == 0) {
            return "zero";
        }//w w w  .j  a v  a2s  . c  o  m

        String snumber = Long.toString(number);

        DecimalFormat df = new DecimalFormat(mask);
        snumber = df.format(number);

        int crores = Integer.parseInt(snumber.substring(0, 3));
        int lakhs = Integer.parseInt(snumber.substring(3, 5));
        int thousands = Integer.parseInt(snumber.substring(5, 7));
        int hundreds = Integer.parseInt(snumber.substring(7, 10));

        String tradCrores;
        switch (crores) {
        case 0:
            tradCrores = "";
            break;
        case 1:
            tradCrores = convertLessThanOneThousand(crores) + " crore ";
            break;
        default:
            tradCrores = convertLessThanOneThousand(crores) + " crore ";
        }
        String result = tradCrores;

        String tradLakhs;
        switch (lakhs) {
        case 0:
            tradLakhs = "";
            break;
        case 1:
            tradLakhs = convertLessThanOneHundred(lakhs) + " lakh ";
            break;
        default:
            tradLakhs = convertLessThanOneHundred(lakhs) + " lakh ";
        }
        result = result + tradLakhs;

        String tradHundredThousands;
        switch (thousands) {
        case 0:
            tradHundredThousands = "";
            break;
        case 1:
            tradHundredThousands = "one thousand ";
            break;
        default:
            tradHundredThousands = convertLessThanOneHundred(thousands)
                    + " thousand ";
        }
        result = result + tradHundredThousands;

        String tradHundred;
        tradHundred = convertLessThanOneHundred(hundreds);
        result = result + tradHundred;

        // remove extra spaces!
        return result.replaceAll("^\\s+", "").replaceAll("\\b\\s{2,}\\b",
                " ");
    }

    private static String convertLessThanOneThousand(int number) {
        String soFar;

        if (number % 100 < 20) {
            soFar = numNames[number % 100];
            number /= 100;
        } else {
            soFar = numNames[number % 10];
            number /= 10;

            soFar = tensNames[number % 10] + soFar;
            number /= 10;
        }
        if (number == 0)
            return soFar;
        return numNames[number] + " hundred" + soFar;
    }

    private static String convertLessThanOneHundred(int number) {
        String soFar;

        if (number % 100 < 20) {
            soFar = numNames[number % 100];
            number /= 100;
        } else {
            soFar = numNames[number % 10];
            number /= 10;

            soFar = tensNames[number % 10] + soFar;
            number /= 10;
        }
        if (number == 0)
            return soFar;
        return numNames[number] + " hundred" + soFar;
    }
}

Related Tutorials