Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Map;
import java.util.Objects;

public class Main {
    public static <K, V> K getKeyByValue(Map<K, V> map, V value) {
        K result = null;
        for (Map.Entry<K, V> entry : map.entrySet()) {
            if (Objects.equals(entry.getValue(), value)) {
                result = entry.getKey();
                break;
            }
        }

        return result;
    }
}