Java Double Number Round round(double a, int decimal)

Description

round

License

Open Source License

Declaration

public static final double round(double a, int decimal) 

Method Source Code

//package com.java2s;

public class Main {
    public static final double round(double a, int decimal) {
        try {/* w  ww.  j av  a  2  s . c om*/
            String str = String.valueOf(a);
            int idx = str.indexOf(".");
            if (idx == -1 || idx == str.length() - 1)
                return Double.parseDouble(str);
            return Double.parseDouble(str.substring(0, Math.min(str.length(), idx + decimal + 1)));
        } catch (Exception e) {
            System.out.println("There is some error MathUtil.round: " + e.getMessage());
            return 0;
        }
    }
}

Related

1. round(double a)
2. round(double a)
3. Round(double a)
4. round(double a, double precision)
5. round(double a, int cutOfDigits)
6. round(double a, int rounding_style)
7. round(double amount)
8. round(double amt, int digits)
9. round(double d)