Java Number to String numberToString(double num, int digits)

Description

number To String

License

Open Source License

Declaration

public static String numberToString(double num, int digits) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static String numberToString(double num, int digits) {
        if (digits < 0)
            throw new RuntimeException("Digits must be >= 0!");
        String[] parts = String.valueOf(num).split("[.]");
        if (parts[1].matches("0"))
            return parts[0];
        if (parts[1].length() > digits) {
            String end = parts[1].substring(0, digits);
            while (end.endsWith("0"))
                end = end.substring(0, end.length() - 1);
            return parts[0] + '.' + end;
        }/*from   w w  w. ja  va 2s  .c o  m*/
        return parts[0] + '.' + parts[1];
    }
}

Related

1. numberToString(int gmNumber)
2. numberToString(int number, int length, String type, int location)
3. numberToString(Number number)
4. numberToString(Object instance)