Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collections;

import java.util.Map;
import java.util.Set;

public class Main {
    public static <K, V> Set<V> getValueSet(Map<K, Set<V>> map, K key) {
        Set<V> values = map.get(key);
        if (values == null)
            return Collections.emptySet();

        return values;
    }
}