Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.*;

public class Main {

    public final static <K, V> String keyJoin(Map<K, V> map, String separator) {
        StringBuilder sb = new StringBuilder();
        for (Map.Entry<K, V> entry : map.entrySet()) {
            sb.append(String.valueOf(entry.getKey())).append(separator);
        }
        return sb.toString().substring(0, sb.toString().length() - separator.length());
    }
}