Java BigInteger Calculate length(BigInteger bi)

Description

length

License

Open Source License

Declaration

public static int length(BigInteger bi) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2015 Zach Ohara
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version./*from   w  w  w  . j  a  v  a2 s  .  c om*/
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.math.BigInteger;

public class Main {
    public static int length(int n) {
        n = Math.abs(n);
        int length = 0;
        while (n != 0) {
            n /= 10;
            length++;
        }
        return length;
    }

    public static int length(BigInteger bi) {
        int length = 0;
        while (bi.compareTo(BigInteger.ZERO) > 0) {
            bi = bi.divide(BigInteger.TEN);
            length++;
        }
        return length;
    }
}

Related

1. int2zpBin(BigInteger num, int len)
2. integerToString(BigInteger value)
3. intValue(BigInteger bi)
4. intValueExact(BigInteger bigint)
5. jsonBigInteger(JsonValue value)
6. listToBigInteger(List list)
7. log2(BigInteger x)
8. maskBits(BigInteger value, int bits)
9. min(BigInteger a, BigInteger b)