Java String Array Combine combineStrings(Object[] list)

Description

Combine a list of strings in an Object[] into a single string.

License

Apache License

Parameter

Parameter	Description
list	non-null; the strings to combine

Return

non-null; the combined form

Declaration

public static String combineStrings(Object[] list) 

Method Source Code

//package com.java2s;
/*//from w w  w  . j  av a2s  .c  o  m
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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.
 */

public class Main {
    /**
     * Combine a list of strings in an <code>Object[]</code> into a single
     * string.
     *
     * @param list non-null; the strings to combine
     * @return non-null; the combined form
     */
    public static String combineStrings(Object[] list) {
        int listLength = list.length;

        switch (listLength) {
        case 0: {
            return "";
        }
        case 1: {
            return (String) list[0];
        }
        }

        int strLength = 0;

        for (int i = 0; i < listLength; i++) {
            strLength += ((String) list[i]).length();
        }

        StringBuilder sb = new StringBuilder(strLength);

        for (int i = 0; i < listLength; i++) {
            sb.append(list[i]);
        }

        return sb.toString();
    }
}

Related

1. combineSplit(int startIndex, String[] string, String separator)
2. combineSplit(int startIndex, String[] string, String separator)
3. combineString(String[] strArr, String glue)
4. combineStringArray(String[] array, String delim)
5. combineStrings(Object... strings)
6. combineStrings(String[] strings)