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 {
    public static String join(Collection<?> input, String sep) {
        if (input == null || input.size() == 0) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        int index = 0;
        int size = input.size();
        Iterator<?> it = input.iterator();
        while (it.hasNext()) {
            if (index == size - 1) {
                break;
            }
            Object o = it.next();
            sb.append(o).append(sep);
            index++;
        }
        sb.append(it.next());
        return sb.toString();
    }
}