Java String Leading Character addLeadingZerosToNumber(long number, int length)

Description

add Leading Zeros To Number

License

Apache License

Declaration

public static String addLeadingZerosToNumber(long number, int length) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static String addLeadingZerosToNumber(long number, int length) {
        //the digits in the "number" is greater than or equal to the "length"
        if (length <= ((int) Math.log10(number) + 1))
            return String.valueOf(number);

        return String.format("%0" + length + "d", number);
    }/*from w  w  w  . jav a  2  s  . com*/
}

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5. addLeadingZeros(String str)