Java List Join join(List items, char separator)

Description

Creates a backslash escaped string, joining all the items.

License

Apache License

Declaration

public static String join(List<String> items, char separator) 

Method Source Code

//package com.java2s;
/**/*from   ww  w .  j a  v a2 s .co m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.List;

public class Main {
    /** Creates a backslash escaped string, joining all the items. */
    public static String join(List<String> items, char separator) {
        StringBuilder sb = new StringBuilder(items.size() << 3);
        boolean first = true;
        for (String item : items) {
            if (first) {
                first = false;
            } else {
                sb.append(separator);
            }
            for (int i = 0; i < item.length(); i++) {
                char ch = item.charAt(i);
                if (ch == '\\' || ch == separator) {
                    sb.append('\\');
                }
                sb.append(ch);
            }
        }
        return sb.toString();
    }
}

Related

1. join(List args, String seperator)
2. join(List array, String delim)
3. join(List c, String seperator)
4. join(List command, List args)
5. join(List elements)
6. join(List l, String joiner)
7. join(List lines, char delim)
8. join(List list)
9. join(List list)