Java - Write code to Split the given string into chunks.

Requirements

Write code to Split the given string into chunks.

Demo

/*
 * Copyright (c) 2001-2002, Marco Hunsicker. All rights reserved.
 *
 * This software is distributable under the BSD license. See the terms of the
 * BSD license in the documentation provided with this software.
 *//*from w ww  . j a v a  2s  . co  m*/
 
//package com.book2s;

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static void main(String[] argv) {
        String str = "book2s.com";
        String delim = "book2s.com";
        System.out.println(java.util.Arrays.toString(split(str, delim)));
    }

    private static final String[] EMPTY_STRING_ARRAY = new String[0];

    /**
     * Splits the given string into chunks.
     *
     * @param str string to split into chunks.
     * @param delim the delimiter to use for splitting.
     *
     * @return array with the individual chunks.
     *
     * @since 1.0b8
     */
    public static String[] split(String str, String delim) {
        int startOffset = 0;
        int endOffset = -1;
        int sepLength = delim.length();
        List lines = new ArrayList(15);

        while ((endOffset = str.indexOf(delim, startOffset)) > -1) {
            lines.add(str.substring(startOffset, endOffset));
            startOffset = endOffset + sepLength;
        }

        if (startOffset > 0) {
            lines.add(str.substring(startOffset));
        } else {
            lines.add(str);
        }

        return (String[]) lines.toArray(EMPTY_STRING_ARRAY);
    }

    /**
     * Returns the index within the given string of the <em>x.</em> occurrence of the
     * specified character.
     *
     * @param character character to search.
     * @param str the string to search.
     * @param x <em>x.</em> occurrence of the character to search for.
     *
     * @return s the index within the given string of the <em>x.</em> occurrence of the
     *         given character. Returns <code>-1</code> if the specified character is
     *         not contained in the given string or it occurs less than the specified
     *         occurrence to look for.
     */
    public static int indexOf(char character, String str, int x) {
        for (int i = 1, pos = -1; (pos = str.indexOf(character, pos + 1)) > -1; i++) {
            if (i == x) {
                return pos;
            }
        }

        return -1;
    }
}

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