Java Double Number Round round(double num, int bit)

Description

round

License

Open Source License

Declaration

public static double round(double num, int bit) 

Method Source Code

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

public class Main {
    public static double round(double num, int bit) {
        int t = 10;
        for (int i = 0; i < bit; i++)
            t *= 10;/* w  ww .  ja va2s  . co m*/
        double n = num * t;
        if (5 <= (n % 10))
            n += 10;
        return (double) ((int) n / 10) / (t / 10);
    }

    public static double round(double num) {
        return round(num, 0);
    }
}

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