Java String Split by Delimiter split(String s, char delim)

Description

split

License

Apache License

Declaration

public static String[] split(String s, char delim) 

Method Source Code

//package com.java2s;
/*//w  ww .  ja v  a 2  s.c o  m
 * Copyright 2014 kohii.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

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

public class Main {
    public static String[] split(String s, char delim) {
        if (isEmpty(s)) {
            return new String[0];
        }
        List list = new ArrayList();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (c == delim) {
                list.add(sb.length() == 0 ? "" : sb.toString());
                sb.setLength(0);
            } else {
                sb.append(c);
            }
        }
        list.add(sb.length() == 0 ? "" : sb.toString());
        return (String[]) list.toArray(new String[list.size()]);
    }

    public static boolean isEmpty(String s) {
        return s == null || s.length() == 0;
    }
}

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