align String To Center - Java java.lang

Java examples for java.lang:String Format

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Description

align String To Center

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        String s = "java2s.com";
        int size = 2;
        System.out.println(alignToCenter(s, size));
    }//from  ww  w  . ja va  2 s.co m

    public static String alignToCenter(String s, int size) {
        if (s.length() < size - 1) {
            int halfSize = (size - s.length()) / 2;
            int remainder = (size - s.length()) % 2;
            String pattern = "%-" + halfSize + "s%s%"
                    + (halfSize + remainder) + "s";
            return String.format(pattern, "|", s, "|").replace(" ", "-");
        }

        return String.format("%-" + size + "s", s).replace(" ", "-");

    }
}

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