Java Integer Format format(int i, int length, boolean left_justify, char fill)

Description

Return a string for an integer justified left or right and filled up with `fill' characters if necessary.

License

Open Source License

Parameter

Parameter	Description
i	integer to format
length	length of desired string
left_justify	format left or right
fill	fill character

Return

formatted int

Declaration

public static final String format(int i, int length, boolean left_justify, char fill) 

Method Source Code

//package com.java2s;
/*//w  ww  . j  a  va 2  s .c  o  m
 * Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

public class Main {
    /**
     * Return a string for an integer justified left or right and filled up with
     * `fill' characters if necessary.
     *
     * @param i integer to format
     * @param length length of desired string
     * @param left_justify format left or right
     * @param fill fill character
     * @return formatted int
     */
    public static final String format(int i, int length, boolean left_justify, char fill) {
        return fillup(Integer.toString(i), length, left_justify, fill);
    }

    /**
     * Fillup char with up to length characters with char `fill' and justify it left or right.
     *
     * @param str string to format
     * @param length length of desired string
     * @param left_justify format left or right
     * @param fill fill character
     * @return formatted string
     */
    public static final String fillup(String str, int length, boolean left_justify, char fill) {
        int len = length - str.length();
        char[] buf = new char[(len < 0) ? 0 : len];

        for (int j = 0; j < buf.length; j++)
            buf[j] = fill;

        if (left_justify)
            return str + new String(buf);
        else
            return new String(buf) + str;
    }
}

Related

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2. format(int c)
3. format(int color)
4. format(int i, int fillLength)
5. format(int intval)
6. format(int num)
7. format(int num, int length)
8. format(int spaces, String string)