Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.math.BigDecimal;

public class Main {

    public static final double round(double v, int scale) {
        if (scale < 0) {
            throw new IllegalArgumentException("The scale must be a positive integer or zero");
        }
        BigDecimal b = new BigDecimal(Double.toString(v));
        BigDecimal one = new BigDecimal("1");
        return (b.divide(one, scale, BigDecimal.ROUND_HALF_UP)).doubleValue();
    }
}