Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.Collection;

import java.util.Iterator;

public class Main {
    /**
     * Join an array of items.
     * @param <T>
     * @param array
     * @param separator
     * @return string
     */
    public static <T> String join(T[] array, String separator) {
        StringBuffer result = new StringBuffer();
        for (int i = 0; i < array.length; ++i) {
            if (i != 0)
                result.append(separator);
            result.append(array[i]);
        }
        return result.toString();
    }

    /**
     * Join a collection of items.
     * @param <T>
     * @param collection 
     * @param <U> 
     * @param array
     * @param separator
     * @return string
     */
    public static <T, U extends Collection<T>> String join(U collection, String separator) {
        StringBuffer result = new StringBuffer();
        boolean first = true;
        for (Iterator it = collection.iterator(); it.hasNext();) {
            if (first)
                first = false;
            else
                result.append(separator);
            result.append(it.next());
        }
        return result.toString();
    }
}