Java String Split by Delimiter split(String str, char delimiter)

Description

Splits a string into substrings based on the supplied delimiter character.

License

Open Source License

Parameter

Parameter	Description
str	The string to split
delimiter	The character that delimits the string

Return

A string array containing the resultant substrings

Declaration

public static final List split(String str, char delimiter) 

Method Source Code

//package com.java2s;
import java.util.ArrayList;
import java.util.List;

public class Main {
    /**//  w  w  w. j  a  va2s  .  c o  m
     * Splits a string into substrings based on the supplied delimiter
     * character. Each extracted substring will be trimmed of leading
     * and trailing whitespace.
     *
     * @param str The string to split
     * @param delimiter The character that delimits the string
     * @return A string array containing the resultant substrings
     */
    public static final List split(String str, char delimiter) {
        // return no groups if we have an empty string
        if ((str == null) || "".equals(str)) {
            return new ArrayList();
        }

        ArrayList parts = new ArrayList();
        int currentIndex;
        int previousIndex = 0;

        while ((currentIndex = str.indexOf(delimiter, previousIndex)) > 0) {
            String part = str.substring(previousIndex, currentIndex).trim();
            parts.add(part);
            previousIndex = currentIndex + 1;
        }

        parts.add(str.substring(previousIndex, str.length()).trim());

        return parts;
    }
}

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