Java List Join join(String separator, List parts)

Description

join

License

Apache License

Declaration

static String join(String separator, List<String> parts) 

Method Source Code

//package com.java2s;
/*//from   ww  w.  j a v  a2  s . c  om
 * Copyright (C) 2015 Square, Inc.
 *
 * 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.List;

public class Main {
    static String join(String separator, List<String> parts) {
        if (parts.isEmpty()) {
            return "";
        }
        StringBuilder result = new StringBuilder();
        result.append(parts.get(0));
        for (int i = 1; i < parts.size(); i++) {
            result.append(separator).append(parts.get(i));
        }
        return result.toString();
    }
}

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2. join(String separator, List objs)
3. join(String separator, List elements)
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8. join(String[] elementList, String separator)
9. join(String[] list, String separator)