Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Iterator;

public class Main {
    public static String join(String r[], String d) {
        if (r.length == 0)
            return "";
        StringBuilder sb = new StringBuilder();
        int i;
        for (i = 0; i < r.length - 1; i++) {
            sb.append(r[i]);
            sb.append(d);
        }
        return sb.toString() + r[i];
    }

    public static <T> String join(Iterable<T> iterable, String d) {
        Iterator it = iterable.iterator();
        if (!it.hasNext()) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        String prefix = "";
        while (it.hasNext()) {
            sb.append(prefix);
            prefix = d;
            sb.append(it.next());
        }
        return sb.toString();
    }
}