Main.java Source code

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Here is the source code for Main.java

Source

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

public class Main {
    /**
     * Append a collection of strings and delimiter.
     *
     * @param c A collection of strings.
     * @param delimiter A delimiter string.
     * @return The new string.
     */
    public static String join(Collection<String> c, String delimiter) {
        if (c == null || delimiter == null) {
            throw new IllegalArgumentException("Collections and delimiters given to join cannot be null!");
        }
        StringBuilder builder = new StringBuilder("");
        Iterator<String> iter = c.iterator();
        while (iter.hasNext()) {
            builder.append(iter.next());
            if (iter.hasNext()) {
                builder.append(delimiter);
            }
        }
        return builder.toString();
    }
}