Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2008 The University of North Carolina at Chapel Hill
 *
 * 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.Map;
import java.util.Iterator;

public class Main {
    public static String join(Iterable<?> elements, String separator) {
        if (elements == null)
            return "";
        StringBuilder buf = new StringBuilder();
        if (separator == null)
            separator = " ";

        for (Object o : elements) {
            if (buf.length() > 0)
                buf.append(separator);
            buf.append(o);
        }
        return buf.toString();
    }

    public static String join(Map<?, ?> elements, String keySeparator, String entrySeparator) {
        if (elements == null)
            return "";
        StringBuilder buf = new StringBuilder();
        if (keySeparator == null)
            keySeparator = " ";
        if (entrySeparator == null)
            entrySeparator = " ";

        Iterator<?> elementsIt = elements.entrySet().iterator();
        while (elementsIt.hasNext()) {
            if (buf.length() > 0)
                buf.append(entrySeparator);
            Map.Entry<?, ?> element = (Map.Entry<?, ?>) elementsIt.next();
            buf.append(element.getKey()).append(keySeparator).append(element.getValue());
        }
        return buf.toString();
    }
}