Java - Write code to remove all occurrences of the supplied Chars from a string

Requirements

Write code to remove all occurrences of the supplied Chars from a string

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        String s = "book2s.com";
        char[] chr = new char[] { 'b', 'o', 'o', 'k', '2', 's', '.', 'c',
                'o', 'm', 'a', '1', };
        System.out.println(removeChars(s, chr));
    }/*ww  w . ja  v a 2  s.  c o m*/

    /**
     * This method takes a String as an argument and removes all occurrences of
     * the supplied Chars. It returns the resulting String.
     */
    public static String removeChars(String s, char[] chr) {

        StringBuilder sb = new StringBuilder(s.length());

        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (!charMatch(c, chr)) {
                sb.append(c);
            }
        }

        return sb.toString();
    }

    private static boolean charMatch(int iChr, char[] chr) {
        for (int i = 0; i < chr.length; i++) {
            if (iChr == chr[i]) {
                return true;
            }
        }
        return false;
    }
}